Lasers in Skin

We know, we know, all of the unknowns about these new regulations in the industry coming in is daunting. Listen to dad and I chat about some of the key players, the recent updates that we know, our thoughts and what this means for all small businesses and us! Ultimately, you're not alone in this. Let us know your thoughts or concerns! @dermalase_lasertraining Chapters 00:00 Understanding UK Regulatory Bodies 04:09 Fragmentation and Confusion in Regulations 08:06 The Role of Local Councils and Enforcement 12:04 Training and Qualifications in Aesthetic Practices 16:07 Myths and Misunderstandings in Laser Treatments 20:02 Navigating Future Regulations and Safety

Hey guys, Lisa here! Do you know how important it is to understand skin tones in relation to laser treatments? If you're here, you will know a bit I'm sure, but let's bring it back to basics and cement that knowledge. Enjoy our chat about melanin concentration, the skin, why we hate the use of the Fitzpatrick scale in lasers and a sprinkle of Mike's jokes.. as always. @dermalase_lasertraining Chapters 00:00 Understanding Skin Tones: The Basics 03:08 The Physics of Skin Tone and Laser Treatment 08:59 Categorizing Skin Tones: Beyond Fitzpatrick 13:02 Pulse Width and Pain Management in Laser Treatments 17:04 Conclusion and Future Discussions on Skin Tones

Hi Everyone! I'm back with our blurb and listen in, this one's been asked for a lot! I've managed to reduce yellow ink in PMU eyebrows... Yep, you'll want to hear this. Tune in to my dad and I chit chatting about permanent make up and tattoo removal using lasers. We also, of course, have a bit of a rant about misconceptions. It wouldn't be us if we didn't.. Enjoy! @dermalase_lasertraining Titles The Art of PMU Removal: Techniques and Insights Navigating the Challenges of Tattoo Removal sound bites "What is PMU removal?" "Patch tests for PMU are essential." "High fluence for stubborn colors." Chapters 00:00 Introduction to PMU and Tattoo Removal 02:56 Techniques and Equipment for Tattoo Removal 06:01 Understanding Ink Colors and Their Removal 09:00 Challenges with Yellow Ink Removal 12:08 Clinical Endpoints and Treatment Protocols 14:59 Marketing and Misconceptions in PMU Removal 18:02 Future Guests and Insights on PMU

Here we go, AGAIN! "IPL's suck" - no, no they don't. Hey guys, Lisa here! Listen in if your opinion is the IPL's are the worst for hair removal, listen in if you don't..Just listen in and tell us your thoughts! Do you use Lasers or IPL for hair removal? It's important to know the differences and how to utilise them to get the best for your clients. Ps, everyone welcome on my wee boy, Odhran. His podasting debut! @dermalase_lasertraining Chapters 00:00 Introduction and Family Moments 02:22 Understanding Lasers vs. IPLs 09:48 Hair Removal Techniques and Technologies 17:33 The Debate: IPL vs. Laser Effectiveness 25:27 Final Thoughts on Choosing the Right Treatment

The conversation delves into the upcoming regulations affecting aesthetic and laser businesses in the UK, focusing on their implications for small businesses, safety standards, licensing, and training requirements. The speakers discuss the need for proper enforcement and accountability within the industry, emphasizing the importance of consumer protection and the challenges that may arise for practitioners and clinics as new standards are implemented. Takeaways The new regulations aim to protect consumers and ensure safety in aesthetic treatments. Licensing and training standards are crucial for practitioners in the industry. Remote prescribing for injectables poses significant risks and should be regulated. Training academies must be held accountable for the quality of education they provide. Local authorities will play a key role in enforcing new regulations. Small businesses may face challenges in adapting to new licensing requirements. Proper oversight is necessary to ensure compliance and safety in clinics. The conversation highlights the need for a recognized standard in training and practice. Good practitioners should welcome regulations that improve industry standards. Future discussions will be necessary to assess the impact of these regulations. sound bites "There should be a recognized standard." "We need proper oversight for safety." "We should revisit this after May." Chapters 00:00 Introduction to New Regulations 01:10 Impact on Small Businesses and Safety Concerns 04:22 Licensing and Training Standards 07:49 Injectables and Medical Training 11:03 Remote Prescribing and Consultation 12:54 Accountability of Training Academies 13:23 Local Authority Oversight and Enforcement 19:11 Challenges for Small Businesses 21:57 Conclusion and Future Outlook

In this myth-busting deep dive into the science of aesthetics, Lisa McMahon and physicist Mike Murphy take laser hair removal out of the ‘magic wand’ category and into reality. Plot twist: the hair isn’t the star of the show, it’s just the messenger. The duo breaks down the surprisingly complex world of the hair follicle, spills the tea on stem cells and the dermal papilla (DP), and explains why so many treatments shrink hair instead of kicking it out for good. Whether you’re a seasoned pro or just laser-curious, this episode mixes physics, biology, and a few “wait, WHAT?” moments to reveal why timing the follicle’s growth phase is the real secret to long-lasting results. KEY TAKEAWAYS The hair shaft acts as a conduit that contains melanin to absorb light energy and convert it into heat, but the actual goal is to dismantle the follicle structure. For effective permanent removal, the laser must successfully target and destroy the stem cells in the bulge and the dermal papilla (DP* at the base of the bulb. As a hair follicle grows during the Anagen phase, the bulb descends deeper into the skin (towards the subcutis), making it progressively harder to kill as it gets further from the surface. If a treatment uses insufficient fluence (energy), it may only partially damage the DP. The follicle then regenerates with fewer cells, resulting in a thinner, lighter hair. Most hair visible on the surface is in the Catagen or Telogen phase, meaning it lacks a matrix and cannot be effectively treated. The true targets for permanent removal are actually invisible beneath the skin during early-to-mid Anagen. BEST MOMENTS "The hair is not the target. The hair is a conduit to essentially dismantle the follicle." "If you kill all the stem cells in the bulge but you leave behind some DP cells, then the DP can regenerate some stem cells." "The matrix can have up to five times the concentration of melanin compared to the hair... that makes it a really, really good target for light." "Catching the follicle at the right time is quite tricky because if you don’t catch it at the right time, the DP might just be too deep." "Science doesn’t lie; we just keep moving around a bit." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com

In this episode, Lisa and Mike, dive into the common frustrations surrounding laser hair removal and why results can vary so significantly between individuals. Joined by Lisa’s newborn, Baby Bryan (Rosha), they discuss how subpar training and a lack of fundamental biological understanding within the industry contribute to inconsistent outcomes. KEY TAKEAWAYS Many laser technicians are taught to ‘under-treat’ or follow rigid, incorrect protocols, leading to more sessions with fewer results. Energy output on a screen may not match what is actually being delivered; machines naturally lose efficiency over time and require regular professional calibration. Different body areas have different growth cycles (e.g., leg hair has a very long anagen phase), meaning treating every area at the same four-week interval is often ineffective. Thicker hairs tend to be deeper in the skin. Effective treatment requires enough energy (fluence) to reach the follicle's base, which varies by body site. Firing multiple low-energy shots (e.g., three shots at 10 Joules) does not equal the depth penetration of one high-energy shot (e.g., one shot at 30 Joules). BEST MOMENTS "You pass your test, and then you're free to drive on the roads, and that's when you learn to drive properly. It’s the same in the laser game." "A lot of people out there, they don't know what they don't know." "Calibration is really only valid for that day. All machines, they all lose efficiency over time." "If you're targeting hair with a 'sub-lethal threshold', you will not kill the follicles. They will regenerate, they'll grow back, and the hairs will be finer." "The higher the fluence, the deeper it goes. It's as simple as that. And the deeper you can penetrate into the skin, the more follicles you'll hit." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com

Today, Mike and Lisa tackle the darker side of running a laser business: the fear of getting sued and the importance of protecting your intellectual property. Mike shares his personal experiences with ‘ambulance chasing’ law firms attempting to bully him into settlements over frivolous claims, breaking down exactly how their business model works and why you shouldn't be intimidated. He also provides actionable advice on how to handle aggressive legal letters. Hint: It involves checking your insurance policy's fine print and demanding evidence. KEY TAKEAWAYS Many legal letters demanding compensation for alleged injuries are tactic-driven attempts to scare business owners into quick settlements. If you know you've done nothing wrong, don't let aggressive language frighten you into paying up. Before engaging with a claim, demand concrete evidence, such as up-to-date, date-stamped photographs of the alleged injury. Frivolous claims often fall apart when proof is required. Read the fine print of your insurance contracts. Some policies require specific protocols (like ‘before and after’ photos for every treatment) to be valid; missing a step could leave you uncovered. Once a claim escalates or legal action is threatened, direct all communication to your insurance company. Do not attempt to resolve it yourself or speak to the claimant or their lawyers directly. Trademarks expire. Ensure you keep your business name and branding registrations up to date to prevent others from capitalising on your hard-earned reputation. BEST MOMENTS "There is a fear out there of being sued. It’s after burning their clients, it’s the biggest fear."  "They are bully boys, these people. That’s all they are. They will try to frighten you with highly intimidating letters." "If it's not recorded delivery, throw it in the bin." "If it's in your policy wording as a 'must,' then you're technically not covered for anything if you don't do it." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com

In this episode Mike and Lisa sit down with Dr. Marc Reid, author of "You Are Not a Fraud: The Scientist's Guide to Imposter Syndrome." Together they delve into the complexities of imposter experiences, exploring their origins, manifestations, and strategies for managing them. With personal anecdotes and insights from Dr. Reid's research, including a survey of over a thousand participants, the discussion highlights the commonality of these feelings among professionals, particularly during career transitions. KEY TAKEAWAYS Imposter syndrome, or the imposter phenomenon, is a common experience where individuals doubt their accomplishments and fear being exposed as a fraud, despite evidence of their competence. Scoring high on imposter syndrome assessments (like a 76% score) is not inherently good or bad; it highlights the importance of awareness about one's feelings and experiences rather than labelling them negatively. Major life changes, such as career shifts or becoming a parent, can trigger feelings of imposter syndrome. These transitions often lead to self-doubt and the perception of inadequacy. The terminology used to describe imposter experiences can influence how individuals perceive their feelings. Referring to it as an "experience" rather than a "syndrome" can help normalize the feelings and reduce the stigma associated with them. It's essential to recognise that imposter feelings can resurface, especially during new challenges. Strategies for managing these feelings include self-reflection, understanding the origins of these feelings, and reframing them as a normal part of growth and ambition. BEST MOMENTS "There is no good or bad or ugly. There's only awareness. That's what the whole scoring system is about." "If I had my time again, I wouldn't even call it imposter phenomenon. I would call it the imposter experience." "The very first paper written on it mentioned imposter phenomenon. Yet, if you ask 100 people in a room, have you heard of imposter phenomenon? Maybe one or two wee hands." "I would first off tell you that if I did this now, I would be in the nineties. Oh, a hundred percent. I am worse now than when I did that." "It's highly likely if there was ever going to be a scenario in which someone would start to have those questions or self-doubts, that's when it might happen." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com

What really happens when tattoo ink hits your skin? In this episode, Lisa and Mike zoom in on the histology of tattoos, unpacking how ink is deposited, why your body treats it like a foreign intruder, and how your immune system wages a losing battle to make tattoos permanent. They then shine a (literal) light on laser tattoo removal, explaining how light energy turns to heat to break ink into tiny fragments your body can clear away. Along the way, they answer listener questions, bust myths like the much-hyped R20 method, and dig into the risks behind the controversial 'glass slide technique'. KEY TAKEAWAUS Tattoos persist because ink particles are too large for the body's macrophages (immune cells) to carry away. The ink gets trapped inside these cells within the dermis, creating a permanent mark. Tattoo ink exists in the skin as clumps or 'aggregates' of tiny particles. Lasers work by heating these aggregates rapidly, causing them to shatter into smaller pieces that the immune system can then flush out. The rapid heating of ink by a laser causes the water inside the cells to boil instantly, creating a steam explosion. This mechanical force is what actually breaks apart the ink clusters. Mike and Lisa discuss the 'R20 method' (doing multiple laser passes with 20-minute intervals) and conclude that there is little evidence to support its effectiveness over standard treatments, suggesting it may cause unnecessary trauma to the skin. Effective tattoo removal relies on the body's lymphatic system to clear the shattered ink. Since the macrophages involved in this process live for about 30 days, rushing sessions doesn't speed up the fading - it only risks more damage. BEST MOMENTS "When the ink is introduced into the skin, the skin responds by saying, 'Oh my god, what the hell is this? We don't like this stuff, let's get rid of it.'" "Tattoos fade eventually over time, because those cells die every 30 days, the ink is then re-released back into the skin, and new macrophages come along and pick up those released particles." "Water boils at 100 degrees Celsius. One millilitre of water will form 2,000 millilitres of steam. Steam is very powerful for that reason." "We are surrounded by water. If we weren't, then laser tattoo removal would not work." "If you have a little hot ink particles inside a macrophage surrounded by water, the ink will heat up very rapidly, in less than a nanosecond." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In this episode, Lisa and Mike zoom in on the world of benign pigmentation, and how lasers can help fade it safely and effectively. Before anyone goes zap-happy, they stress one crucial rule: always make sure pigmentation is benign first. They break down how to assess it properly (because guessing is not a treatment plan). From there, the duo explores different laser options like Q-Switch YAG and IPL, unpacking wavelengths, absorption, and how these tools actually target melanin without causing chaos to the skin. Lisa also shares her real-world treatment tips, including her go-to cooling techniques to keep skin calm and trauma-free. KEY TAKEAWAYS Before treating any pigmentation, it's crucial to confirm that it is benign. If there are any changes in size, colour, or texture, or if the pigmentation has appeared recently, it should be referred to a medical professional for further evaluation. Various lasers can be used to treat pigmentation, with the Q-Switch YAG laser at 532 nm being highly effective due to its strong absorption in melanin. IPL (Intense Pulsed Light) is also a viable option, especially for larger areas, but it may carry a higher risk of thermal damage. When treating pigmentation, practitioners should monitor the immediate response of the skin, looking for signs such as erythema, darkening of the pigment, or frosting. Adjustments in fluence may be necessary based on the observed reactions. Ice cooling is essential both before and after treatment to protect surrounding skin tissue and minimise swelling. This technique has been shown to reduce pain and improve recovery times for patients. The approach to treating pigmentation can be more aggressive compared to other treatments like hair removal or vascular lesions. This controlled aggression is necessary to achieve effective results, but it requires careful monitoring to avoid excessive damage. BEST MOMENTS "The first thing that if you're going to be treating any sort of pigmentation, you must be clear that it is benign." "The good thing about melanin is it absorbs light across the whole visible spectrum and even into the near-infrared spectrum." "I would do a Q-Switch 532. 100%." "You don't get that thermal damage that you would with an IPL. So it's a different process, different mechanical process." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

Today, Lisa and Mike take another look at the fascinating world of laser physics, particularly in the context of medical aesthetics. They explore various pulse regimes - nanoseconds, picoseconds, and femtoseconds - discussing their implications for energy delivery and tissue reactions. Mike explains the significance of these time scales, including the concept of zeptoseconds, and how they relate to the behaviour of atoms and light. KEY TAKEAWAYS Different pulse regimes (nanoseconds, picoseconds, femtoseconds) affect how energy is delivered to tissues. Shorter pulses (like nanoseconds) allow energy to be absorbed quickly, leading to higher temperatures in the target area, while longer pulses (like milliseconds) allow heat to dissipate, resulting in lower peak temperatures. The type of reaction elicited in tissues depends on the pulse duration. Longer pulses tend to produce thermal reactions, heating surrounding tissues, while shorter pulses can create photomechanical reactions, where rapid heating leads to physical disruption of target materials, such as tattoo ink. To prevent unwanted thermal damage during laser treatments, proper cooling techniques are essential. Cooling the skin and surrounding tissues can mitigate excessive heat generation, reducing the risk of burns and other adverse effects. When purchasing aesthetic lasers, it is crucial to look beyond marketing claims and focus on technical specifications, such as output power, wavelengths, fluence range, and pulse widths. High fluences are associated with better treatment outcomes. Effective training for non-physicist clinicians involves breaking down complex physics concepts into tangible, relatable ideas. Using everyday analogies can help clinicians grasp the fundamental principles of laser physics, making it easier for them to apply this knowledge in practice. BEST MOMENTS "The shortest ever unit of time that's been successfully measured by scientists was an event that lasted 247 zeptoseconds. This is the time that it took for a photon to cross a hydrogen molecule." "I didn't think hydrogen atoms were that big because 0.1 nanometers isn't really so small, is it, when you think about it?" "If you have a long pulse, like in the millisecond regime, then because the heat is escaping during the pulse, we tend to get a thermal reaction." "Generating too much heat is very easy to do. It's quite hard to be precise because it depends on where the absorbing targets are and how deep they are." "If they're not giving you the technical spec, it's a bit dubious." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In this episode, Mike and Lisa delve into the intricacies of "reading the skin" during various laser treatments. They discuss the importance of understanding skin responses, such as erythema and edema, as indicators of treatment effectiveness, particularly in hair removal, tattoo removal, and pigmentation treatments. KEY TAKEAWAYS Understanding skin responses during treatments is crucial. Indicators such as erythema (redness) and edema (swelling) provide valuable feedback on how the skin is reacting to various laser treatments. The appropriate fluence (energy level) for treatments cannot be predetermined without observing the skin's reaction. Practitioners should start at a lower fluence and gradually increase it based on the skin's response. A certain level of redness and swelling is acceptable and indicates a good reaction. However, excessive redness, bleeding, or broken skin surfaces are signs of over-treatment and should be avoided. Using ice packs or cooling methods before and during treatments can help manage skin temperature and reduce adverse reactions. Proper cooling can prevent ice burns and enhance treatment outcomes. Engaging with clients about their experiences during treatments is essential. Asking for feedback on pain levels and observing their skin reactions can guide practitioners in adjusting their techniques for better results. BEST MOMENTS "The skin is kind of giving us clues and indicators. It's communicating. It does depend on what you're treating and which technology you're using." "If you break the skin whilst treating a tattoo or PMU, then you haven't done it right." "A certain level of redness is good, but if it goes very red, kind of angry red, then that's telling you you've gone too far." "I want to see it crusty, dusty, red and angry, but no bleeding, never, ever, ever bleeding." "Reading the skin is a good skill to develop. Take the time and look at the skin's reaction and think, what is this trying to tell me?" ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In this episode, Lisa and Mike dive into the controversial Neat Cell picosecond laser pen device, which claims to remove tattoos without scarring. Mike shares his skepticism about the device's effectiveness, explaining the technical limitations of picosecond lasers and the potential dangers of using such a product without proper safety measures.  KEY TAKEAWAYS Skepticism of Neat Cell Device: The Neat Cell picosecond laser pen device is met with skepticism regarding its claims of being a true picosecond laser, as it is likely just an LED or a low-powered laser diode that cannot effectively remove tattoos. Lack of Safety Measures: The device does not come with safety glasses, which raises concerns about eye safety, especially since the device emits intense blue light that can cause damage. Ineffective Tattoo Removal: Initial tests on the device suggest that while it may cause some disruption to tattoo ink, it also results in significant skin damage and scarring, which may mask the appearance of the tattoo rather than effectively removing it. Regulatory Action: The UK government has issued a product safety report banning the Neat Cell device from entering the UK market due to non-compliance with electrical safety regulations, indicating it is considered unsafe. Home Use Devices for Hair Removal: While skepticism exists around home-use devices for hair removal, some have been found to be effective when used consistently over time, suggesting that they can complement professional treatments rather than replace them. BEST MOMENTS "I am pretty sure this thing is probably not a laser. It's an intense blue light source, which is most likely an LED." "Imagine at the end of all that you said, so I'd recommend you help. No, no." "The UK government has issued a product safety report on this NeatSet device and they've stopped it from entering the UK." "If it looks too good to be true, then it usually is." "Let us know if you've used the IPL at home devices too." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In this episode, Lisa and Mike delve into the intriguing topic of 'jumping hairs', a phenomenon observed during laser hair removal treatments. Inspired by a message from a listener in Germany, Nicole, they discuss the misconception that the rapid ejection of hairs post-laser treatment indicates treatment efficacy. Lisa and Mike clarify that this effect, often referred to as 'popping hairs', is primarily due to steam formation in the hair follicles rather than a sign of successful follicle damage. They emphasise that while visual reactions like swollen follicles or erythema can be appealing, they do not necessarily correlate with treatment success. KEY TAKEAWAYS The phenomenon of 'popping hairs' or 'jumping hairs' observed during laser treatments does not indicate the efficacy of the treatment. It is primarily caused by steam formation in the hair follicle, which can force superficial hairs out but does not necessarily mean the follicle itself has been effectively treated. Commonly cited clinical endpoints, such as swollen follicles or erythema (redness), do not guarantee successful treatment outcomes. Successful hair removal can occur without these visible signs, and their absence does not imply ineffective treatment. As laser hair removal treatments progress, the hair follicles can become synchronised in their growth cycles. This means that after several sessions, more hairs may appear to be growing back at the same time, which can lead to the misconception that the treatment is failing. The goal of laser hair removal is to induce enough damage to the hair follicle without harming surrounding tissue. Chasing visible reactions like folliculitis can lead to unnecessary tissue damage and is not a reliable indicator of treatment success. The hair growth cycle consists of different stages (anagen, catagen, telogen), and effective laser treatments primarily target hairs in the anagen phase. Popping hairs are often in the telogen phase, which are not the target for effective hair removal. BEST MOMENTS "In Germany, they use the term jumping hairs, which refers to the phenomenon of hairs rapidly exploding or being ejected from the follicle immediately after laser irradiation." "Popping hairs are not clinical endpoints. It looks really cool, but it’s not a clinical endpoint." "If you do that and those hairs pop out, that doesn't necessarily mean that the follicle has been sufficiently damaged." "You want to induce enough damage to do the job, but not so much that you're damaging everything else." "If you're not getting popping hairs, do not worry. As long as you're getting results and people are happy, you're great." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In today's episode, Lisa and Mike turn up the energy - literally! They dive into the fascinating world of lasers and IPL treatments, unpacking the science behind spot size, fluence, depth of penetration, and wavelengths. When Emma, a curious Level 4 student, asks about how energy delivery changes with different spot sizes, Lisa and Mike fire back with laughs, analogies, and plenty of light-based wisdom. Along the way, they break down why fluence matters, how scattering shapes results, and why pre-cooling can be the secret to a pain-free zap. KEY TAKEAWAYS Fluence, defined as energy per area (joules per square centimetre), remains constant across different spot sizes. However, the total energy delivered varies significantly based on the spot size, with larger spots delivering more total energy. When light enters the skin, it scatters, which affects the fluence at different depths. The scattering can lead to an increase in fluence just below the skin surface due to backscattering, which can exceed the incident fluence. Different wavelengths penetrate the skin differently, with red light penetrating deeper than blue or green light. However, the presence of scattering in the skin can alter the effectiveness of these wavelengths. Increasing fluence at the skin surface raises the temperature in the epidermis, which can trigger pain receptors. Pre-cooling the skin before treatment can help mitigate pain by lowering the baseline temperature. Understanding fluence is crucial for effective laser treatments, as it directly influences the temperature rise in the target tissue, which is essential for achieving desired treatment outcomes. BEST MOMENTS "When you set up your laser or IPL to deliver a particular fluence, then at every point in that spot the fluence is the same, or it should be the same." "So then how does the small spot work so well? Because it's the fluence that's important, not the total energy." "The fluence is what drives the process. Fluence is directly responsible for the temperature increase in whatever the target is." "Isn't it cool though what happens in your skin when you shoot a laser in there? Or a light, not just lasers." "If you pre-cool the skin before you fire in your light energy, there's a smaller chance of triggering the pain receptors." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In a fascinating deviation from their usual topic, Lisa and Mike delve deep into the world of experimental physics and astrophysics in this episode. Mike tackles a range of mind-bending questions sourced by Lisa from ChatGPT, covering everything from the common misconceptions of relativity and time dilation near the speed of light and black holes, to the immense size of the universe. They also touches on space exploration (Mars colonisation), the mysteries of gravity (gravitational waves), and some truly silly, thought-provoking physics questions about cats, superheroes, and woodchucks. KEY TAKEAWAYS Time does not actually "slow down" for an object approaching the speed of light; it appears to slow down to an external observer due to relative motion and frames of reference. To an external observer, an object (like a spaceship) approaching a black hole would appear to slow down and freeze permanently at the event horizon, never crossing it. However, the person inside the spaceship would simply pass through without noticing the horizon. The universe is "unfathomable" in size, beyond human comprehension. The current estimate for its total lifespan is potentially less than 50 billion years, which is considered a relatively short time in cosmic terms. Gravitational waves, tiny ripples in spacetime caused by massive collisions (like black holes), were eventually measured using extremely precise laser interferometry technology. String theory, the idea that everything is made of vibrating strings of energy, is currently unprovable because we lack the technology to observe or measure these incredibly small units. BEST MOMENTS "This is a common misconception out there. Relativity, it's all about relative motion from one person to another person or whatever." “To me, I can just seal straight on through the black hole's event horizon. I don't see anything, I don't notice that. I'm not even aware that the event horizon is there." “The way I think about time in general is like a river. To quote the great Doctor Who, it's a ‘wibbly-wobbly thing'." "We're small creatures living on a small rock in a small part of this smallish galaxy, and it feels so big." "Gravity is always attractive. Gravity pulls things towards each other. There's no such thing as a negative gravity or repelling." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In this episode, Lisa and Mike dive into a recent controversy sparked by an influencer's comments about laser hair removal and pregnancy. Lisa shares her frustration over misinformation that has caused panic among clients considering laser treatments while planning for pregnancy. They explore the science behind hair growth cycles, the effects of hormonal changes during pregnancy, and the importance of understanding how laser treatments work. Mike provides insights into the physiological aspects of hair follicles and the potential for dormant follicles to reactivate, emphasising that reputable clinics are not "robbing" clients. KEY TAKEAWAYS An influencer's comments about laser hair removal and pregnancy have caused panic among clients, leading to misconceptions about the effectiveness of treatments. Hair growth can appear synchronized after laser treatments, making it seem like hair is regrowing when, in fact, dormant follicles may be activated due to hormonal changes or other factors. Once a hair follicle is effectively destroyed through proper laser treatment, it cannot regenerate. However, if a follicle is only stunned, it may regrow. Pregnancy can lead to hormonal shifts that may stimulate dormant hair follicles, resulting in increased hair growth in some areas, regardless of previous laser treatments. It's essential for laser clinics to communicate effectively with clients about the realities of hair removal and the potential for hormonal influences, ensuring that misinformation does not lead to unnecessary concerns. BEST MOMENTS "I wanted to put my two cents out there and explain as a laser trainer, laser tech, and a pregnant lady. I’m pretty qualified to talk about this." "When you kill a hair follicle, it's deed. You cannot grow new follicles. That's impossible." "It's not new follicles. Laser clinics are not robbing you. This can happen to anybody at any time." "You could end up seeing potentially more hair or what appears to be more hair than you had previously." "What Sophie has been saying has been miscommunication. It’s misinformed." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

In this episode, Mike and Lisa take a lively dive into the fascinating (and sometimes hilarious) world of artificial intelligence. They chat about how AI tools like ChatGPT and Site.ai are showing up in the laser industry - sharing their own experiments, surprises, and a few AI “oops” moments along the way. From AI claiming Mike invented the Ruby laser (spoiler: he didn’t) to the real do’s and don’ts of using AI for laser treatments, Mike and Lisa break it all down with humour and honesty. They also bust a few persistent myths about laser tattoo and hair removal, while reminding listeners why human expertise still matters in a world full of smart machines. KEY TAKEAWAYS AI can be beneficial for research in the laser business, providing access to papers and references, but users should verify the information as it can sometimes contain errors, such as incorrect units. While AI can generate ideas for branding, marketing, and treatment advice, it is essential to approach pre and post-care recommendations with caution, as they may not always be accurate. There are several myths surrounding laser treatments, such as the belief that lasers burn or scrape the skin to remove ink, or that tattoo removal creams are effective. Understanding the science behind laser technology is crucial. The effectiveness and safety of laser treatments depend significantly on the operator's training and the quality of the equipment used. Proper training and application are vital for achieving good results. Users should not blindly trust information from AI or social media. It's important to ask questions and seek clarification on statements, especially when they seem dubious or inaccurate. BEST MOMENTS "Even simple things can go wrong with AI. You've got to be careful." "The myth persists because earlier lasers cause pigment changes, but modern systems can treat darker skin safely with proper settings." "Don't trust everything you see on AI or social media or anywhere. Trust nobody." "A Q-switch laser is a Q-switch laser. A YAG is a YAG. So that's silly." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/

As Lisa navigates her pregnancy, Mike brings his expertise as a Laser Protection Advisor (LPA) to the forefront, explaining the critical importance of understanding laser safety in clinical settings. They discuss the role of LPAs, the significance of proper safety equipment like laser safety glasses, and the potential hazards associated with various laser classifications. KEY TAKEAWAYS Understanding laser safety is critical for anyone working with lasers or IPL devices, as improper handling can lead to serious eye injuries or other hazards. An LPA is responsible for assessing the safety of laser environments, ensuring proper safety equipment is used, and verifying that personnel are adequately trained. Regular checks of safety glasses and laser equipment are essential. Safety glasses must meet specific optical density ratings for the wavelengths used, and equipment should have proper labelling and maintenance. Local rules regarding laser safety should be dynamic and updated based on changes in equipment, personnel, or regulations. An LPA can help create and maintain these rules. Laser plume, which is the smoke produced during laser treatments, can contain toxic and carcinogenic substances. Proper ventilation and air filtration systems are necessary to mitigate health risks associated with inhaling these fumes. BEST MOMENTS "It's critical. The amount of courses out there and manufacturer's trainings that don't really properly cover it is pretty shocking." "If laser light can escape and someone's outside and they look in, then there's a small possibility that they could be affected adversely." "I've heard second babies are easier. I was your second baby. That we know of." "The problem is that people, when they're buying equipment, they don't know what to look for. It's not their fault." "You're breathing in dead people's tissue. I don't mean the people are dead. The tissue is dead." ABOUT THE HOSTS Mike began his career in medical lasers in 1986 with a physics degree and a post-grad in bioengineering. He helped develop the scar-free removal of tattoos using a Q-Switched Ruby Laser in Glasgow, and the world's first IPL system. Known well in the industry for his hard truths, no BS attitude and logical answers. As the author of three books, articles for medical journals, a well read blog, a Laser Protection Advisor and contributor to the BMLA, Mike is the Laser Guru. Lisa's claim to laser fame is being Mike's daughter. Growing up with lasers and never avoiding a physics lesson from her Dad, it was natural to enter the industry. Leaving a corporate career with a baby to jump into self employed life came with challenges. Despite that Lisa has been well recognised for her teaching style, practical tips, bringing the compassion to the science, and laser mentoring. Instagram: @dermalase_lasertraining https://mikemurphyblog.com https://www.dermalasetraining.com This Podcast has been brought to you by Disruptive Media. https://disruptivemedia.co.uk/