Ep #18 Decoding the Microbiome: Dr. Chris Callewaert on Body Odor, Bacteria & Skin Health

Is your skincare causing hidden allergies?Unexplained rashes or irritation? Your beauty products might be to blame. Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we welcome our special guest, beauty editor Andreanne Dion, who shares her personal battle with severe fragrance allergies. After struggling with recurring rashes and discomfort, Andreanne finally received a diagnosis through patch testing, uncovering an unexpected sensitivity to multiple synthetic and natural fragrances.Today's Hot Topic: Fragrance Allergy & Contact Allergy in Personal Care ProductsDid you know that fragrance allergies can develop after years of exposure to personal care products? If you’ve ever experienced skin rashes, irritation, or unexplained breakouts, your favorite skincare or beauty products might be the culprit.Dr. Skotnicki provides expert insights into this common yet overlooked dermatology issue, breaking down:• How to recognize fragrance allergies and when to consider patch testing• The difference between natural vs. synthetic fragrances—and why “natural” isn’t always better• Why fragrance-free and hypoallergenic products may be the best choice for sensitive skin• The most common skincare allergens hiding in personal care products• Personalized skincare solutions for those with sensitive skin or contact allergiesMarlo, a self-proclaimed fragrance lover, asks the questions many want answers to are there hypoallergenic fragrances? How can beauty enthusiasts enjoy perfumes without triggering skin reactions?This episode is a must-listen for anyone with sensitive skin, fragrance allergies, or an interest in skincare science. Whether you’re a beauty lover, skincare enthusiast, or simply looking for the best products for sensitive skin, this discussion will help you make informed choices for a healthier, happier skin.🎧 Listen now on Apple Podcasts and discover how to protect your skin from hidden allergens!Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

What if the secret to glowing, clear skin was simpler than you think? Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode of Skin to It, we sit down with Dr. Whitney Bowe, a leading expert in clinical skincare, microbiome research, and advanced dermatology. As the creator of #SkinCycling, Dr. Bowe shares the science behind exfoliation, retinoids, and recovery nights, explaining how this method can improve acne, rosacea, eczema, and aging skin while protecting the skin barrier.She also explores the gut-skin connection, breaking down how microbiome health, inflammation, and diet influence skin conditions like psoriasis, acne, and sensitive skin issues. Plus, she debunks common skincare myths, shares expert anti-aging skincare strategies, and explains how to choose dermatologist-recommended skincare products for optimal results.And don’t miss the conversation on lip care—Dr. Bowe reveals how SPF for lips, hydration, and targeted lip treatments can prevent signs of aging and maintain plump, youthful lips.What You’ll Learn in This Episode:• Skin Cycling Demystified – How a structured mix of exfoliation, retinoids, and recovery nights can optimize skin without irritation.• The Gut-Skin Connection – Why gut health influences inflammation, acne, rosacea, and how the best diet for skin health can make a difference.• Skincare Myths Exposed – The truth behind science-backed skincare vs. marketing gimmicks.• Best Skincare for Aging Skin – How hydration, SPF, and anti-aging skincare help maintain a strong skin barrier.• How to Get Glowing Skin – The impact of stress, sleep, diet, and holistic skincare on your skin’s natural radiance.🎧 Listen now on Apple Podcasts and follow Skin to It for expert insights!Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

How does menopause affect your skin, and what can you do about it?Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we explore the latest science behind menopause and skin, featuring insights from our special guest Dr. Marla Shapiro, a renowned women’s health expert. Plus, we break down the key changes your skin undergoes during menopause and how to maintain healthy skin at every stage. Finally, we unpack the unique challenges and opportunities of menopause for both skin and overall health. Dr. Shapiro delves into the renewed interest in hormone replacement therapy (HRT) for women in pre-menopause and menopause, examining the latest evidence and addressing common concerns. She also reviews the 2022 North American Menopause Society (NAMS) position statement, providing up-to-date insights on HRT benefits and risks and its role in overall health and well-being.What You’ll Learn in This Episode: - How menopause affects the skin and what you can do about it. - The latest science behind hormone replacement therapy (HRT).- Breaking down the 2022 NAMS position statement on HRT.- Myths and facts about menopause treatments.- The impact of collagen loss and menopause on skin health.- Skincare advice from dermatologists on the best skincare for menopausal skin.- Solutions for dry skin during menopause and anti-aging skincare routines.- How preventive medicine can support skin and overall wellness.Whether you’re looking for expert-backed menopause skincare tips or the latest health tips for women over 50, this episode combines science with practical advice to help you navigate menopause and beyond.🎧 Listen now to Skin to It Podcast, your go-to skincare podcast and women’s health podcast for expert insights on beauty and wellness at every age.Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

How do advanced injectable treatments boost skin hydration, collagen production, and skin rejuvenation? Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we explore the latest in aesthetic treatments, hyaluronic acid, poly-L-lactic acid, and the science behind facial rejuvenation for achieving healthy skin and a radiant complexion. Plus, we’re delving into one of the most innovative trends in dermatology: advanced injectable treatments that enhance the skin's natural ability to repair and regenerate. These techniques utilize cutting-edge ingredients like stabilized hyaluronic acid (HA) for deep hydration or “skin boosting” and the biostimulant poly-L-lactic acid (PLLA) to stimulate collagen production, offering a fresh approach to skin rejuvenation.Join Dr. Skotnicki and cohost Marlo Sutton as they break down the science behind these treatments. From smoothing fine lines to improving skin texture and elasticity, HA and PLLA-based injectables are transforming non-invasive cosmetic dermatology. Learn how these treatments work, their benefits, and why they’re becoming a go-to choice for patients seeking long-lasting, natural-looking skin.What You’ll Learn in This Episode:- Understanding Skin Boosting and Biostimulation       - The key differences between skin boosting with hyaluronic acid (HA) for skin hydration and skin biostimulation with poly-L-lactic   acid (PLLA) for collagen production.- The Science Behind the Treatments      - How HA-based injectable treatments work to deeply hydrate and rejuvenate the skin.      - How PLLA stimulates natural collagen production to restore skin elasticity and structure.Who Can Benefit      - Which skin concerns are best suited for HA vs. PLLA treatments.      - The versatility of these treatments across various skin types and conditions.What to Expect     - The treatment process, including what happens during and after each procedure.     - How long results last and how frequently treatments are recommended.Incorporating Treatments Into Skincare     - How skin boosters and biostimulation can complement other skincare routines and products.     - Tips to maximize results through healthy lifestyle habits and proper skincare. The Future of Non-Invasive Skincare     - Why these treatments represent a shift toward natural-looking, long-lasting rejuvenation.     - Emerging advancements in skin boosting and biostimulation that could further transform dermatology.These cutting-edge aesthetic treatments redefine non-invasive skincare, delivering skin regeneration and long-lasting results. Whether you’re a beauty enthusiast, considering dermal fillers, or simply curious about skincare science, this episode offers expert insights into the evolving world of skin rejuvenation.🎧 Tune in for this deep dive into the future of dermatology and discover how to achieve a glowing, refreshed look with the latest advancements in skin health.Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

Your scalp is the foundation of healthy hair, yet it’s often ignored in personal care routines. Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we explore why scalp health is becoming the focal point of modern hair care. From dandruff and scalp dysesthesia to the benefits of scalp exfoliation, scalp serums, and hair loss treatments, we cover it all!What You’ll Learn in This Episode:- What is the scalp, and how does it function?- Common scalp issues, including dry scalp remedies, scalp itch, and scalp burning- The link between scalp sensitivity, scalp pain, and overall hair wellness- How scalp oils, scalp hydration, and scalp detox support healthy hair- The benefits of a scalp massage for circulation and hair care regimenOnce overlooked, the scalp is now recognized as the "diamond" of hair and scalp care. Learn dermatologist-recommended scalp care tips and the latest innovations shaping the industry.🎧 Listen now on Apple Podcasts and give your scalp the care it deserves!Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

How does mental health impact skin health? Can stress accelerate aging, cause breakouts, and affect your skin glow?Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we explore the powerful link between mind and beauty with our special guest Dr. Amy Wechsler - one of the few experts in both dermatology and psychiatry.Dr. Wechsler, a leading dermatologist and psychiatrist, is the author of The Mind-Beauty Connection and an advisor for Chanel Skin Care. With expertise in both medical and psychological aspects of skin health, she provides a unique perspective on how stress, emotions, and lifestyle choices shape our skin. From stress-induced breakouts to the role of hormones in aging, we break down the science behind healthy skin and self-care strategies that promote both mental health and beauty.What You’ll Learn in This Episode: - The mind-skin connection and how emotions affect skin health - How stress and sleep impact skin, aging, and overall glow- Common stress-related skin conditions and how to manage them- The science of hormones, mental well-being, and skin aging- Practical holistic skincare and self-care tips for lasting radiance- The impact of psychological stressors on skin conditions and what you can do about it- Why prioritizing self-care goes beyond skincare productsDr. Wechsler, a magna cum laude graduate of Duke University (B.S. in Psychology) and honors graduate of Weill Cornell Medical College, completed her training in psychiatry at The Payne Whitney Clinic and a dermatology residency at SUNY Downstate Medical Center. Her dual expertise led her to develop the stress aging theory, emphasizing how chronic stress accelerates skin aging and contributes to conditions like acne, eczema, and premature wrinkles.This episode offers science-backed skincare strategies to counteract stress-related damage and practical advice to enhance your beauty routine from the inside out. Whether you're battling stress-induced breakouts, seeking beauty tips for glowing skin, or interested in the intersection of dermatology and psychiatry, you’ll find actionable insights to integrate into your daily life.🎧 Tune in as we uncover how nurturing your mind can transform your skin - and take steps toward a balanced, healthy, and radiant complexion.Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

Can stem cells and regenerative medicine really transform your skin and slow aging?Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we explore the future of skin rejuvenation, medical aesthetics, and self-care with our special guest Dr. Drew Taylor, CEO of Acorn Biolabs. As a leader in regenerative medicine, Dr. Taylor explains how stem cells, cytogenetic freezing, and biomedical engineering are shaping healthy skin, hair restoration, and the future of dermatology.What You’ll Learn in This Episode:- What is cytogenetic freezing? Learn how this breakthrough in regenerative medicine is preserving skin health and slowing the aging process- The connection between stem cells, collagen production, and skin regeneration in anti-aging skincare- How personalized skincare, cell banking, and skincare technology are revolutionizing cosmetic dermatology- The role of advanced skincare in skin barrier repair, longevity, and holistic skincare- The ethical and scientific considerations shaping the future of self-care, aesthetics, and medical advancementsMeet the Experts:- Dr. Sandy Skotnicki – Board-certified dermatologist, advocate for science-backed skincare, and expert in skin science- Marlo Sutton – Beauty stylist and industry insider sharing insights into skincare trends, beauty and science, and self-care- Dr. Drew Taylor – Biomedical engineer, regenerative medicine expert, and co-founder of Acorn Biolabs, pioneering cellular rejuvenation for future medicineDr. Taylor shares how biomedical research is bridging the gap between cutting-edge dermatology treatments and everyday beauty and wellness. With his expertise in stem cell skincare, he discusses how self-care choices today can lead to better longevity, skincare health, and medical advancements tomorrow.If you're passionate about skincare, aesthetics, and the latest in science-backed beauty, this episode is for you. 🎧 Listen now to discover how regenerative medicine is redefining aging, skin longevity, and the future of dermatology.Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

Are expensive skincare products truly better? Should you avoid parabens and sulfates? The world of beauty products is full of skincare myths, making it harder than ever to separate fact from fiction. In this episode of Skin to It, Dr. Sandy Skotnicki and Marlo Sutton welcome Dr. Michelle Wong, cosmetic chemist and founder of Lab Muffin, to break down the science of beauty and reveal the truth about natural skincare, clean beauty, and evidence-based product choices.Episode Highlights:• The best skincare routine - what actually works for healthy skin• Clean beauty - a science-backed movement or clever marketing?• The role of parabens and sulfates - should you really avoid them?• How to choose safe skincare ingredients without falling for fear-mongering• The impact of skincare industry trends and why skincare science matters• The rise of cosmetic science in helping consumers make informed choices• Debunking viral skincare myths and misinformation spread on social mediaMeet the Experts:• Dr. Sandy Skotnicki – Board-certified dermatologist, skincare expert, and advocate for evidence-based skincare• Marlo Sutton – Beauty enthusiast and personal stylist sharing insights on beauty trends• Dr. Michelle Wong – Cosmetic chemist and science educator, known for her work on Lab Muffin, making skincare science accessible to allDr. Wong, a leading expert in cosmetic science, shares insights from her book The Science of Beauty, offering science-backed knowledge to help consumers navigate the beauty products market with confidence. With over 500K followers across social media, she’s a trusted voice in dermatology podcasts and skincare podcasts, debunking misinformation and educating listeners about sunscreen safety, natural skincare, and industry myths.Why Listen To This Episode?If you're passionate about skincare, looking for the best skincare routine, or simply want to understand truth about skincare, this episode is for you. Whether you're a beauty enthusiast or an expert, this discussion will transform how you think about skincare science and product choices.🎧 Listen now and rethink your skincare routine!Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

Is your tween’s skincare routine doing more harm than good? With the tween skincare market projected to hit $9.5 billion by 2026, the rapid rise of skincare for kids has raised concerns about safety, misinformation, and social media influence.Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we deep dive into the essentials of safe skincare for tweens. From the best skincare routine for tweens to understanding the risks of certain ingredients, this discussion helps parents navigate an industry increasingly targeting younger consumers.What You’ll Learn in This Episode:Understanding Tween Skin- Why tween skin is more delicate and requires age-appropriate care- The risks of active ingredients like retinol, AHAs, and Vitamin C for young skin- How to build a simple, safe, and effective skincare routine- The best cleanser for tweens, best face wash for tweens, and best moisturizer for tweensNavigating the Tween Skincare Market- How the growing skincare for tweens industry impacts product development- Why natural skincare for tweens and non-toxic skincare for tweens are gaining popularity- How to identify safe skincare ingredients and avoid unnecessary products- The importance of sunscreen for tweens and daily protection from UV exposureSocial Media and Skincare Trends- The role of TikTok skincare trends, skincare influencers, and skinfluencers- How viral beauty trends impact tween skincare habits- Strategies for helping kids critically evaluate online skincare adviceFostering Healthy Skin HabitsTeaching kids the value of consistency over excessive productsHow to manage acne in tweens without disrupting the skin barrierThe risks of using adult skincare products on younger, more sensitive skinExpert Advice from Dr. Skotnicki- Understanding skincare industry trends and their impact on young consumers- The growing conversation around global legislative changes for child skincare products- Why Sweden has banned certain active ingredients for children under 15- The potential implications of California’s proposed ban on retinol and AHAs for kidsMany parents wonder, is hyaluronic acid safe for tweens? What are the real risks of overloading young skin with skincare products? This episode provides the facts you need to make informed decisions about your child’s skincare Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.

Is your skin microbiome the secret to body odor control? Many of us focus on skincare routines, but few consider the invisible world of good bacteria living on our skin. Welcome to Skin to It, the podcast where dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton break down everything you need to know about healthy skin. In this episode, we dive deep into the science of microbiomes, exploring how they impact skin health, odor, and overall well-being.Our special guest, Dr. Chris Callewaert (aka Dr. Armpit), is a leading expert in microbiome research. He shares groundbreaking insights into how skin flora affects body odor, how a microbiome imbalance can trigger skin issues, and why probiotics for skin are changing the future of dermatology.What You’ll Learn in This Episode:• The fascinating world of the skin microbiome and why it matters• How an imbalance in skin flora may be linked to body odor• The role of good bacteria, probiotics, and postbiotics in skincare• How traditional deodorants impact your microbiome—and natural ways to fight body odor• The latest advancements in skin microbiome testing & transplantation• What Dr. Callewaert’s TED Talk on microbiome science revealed about skin healthInside Dr. Callewaert’s Research:• Pioneering work in skin microbiome transplant for body odor treatment• Studying microbiome-friendly skincare and the impact of prebiotics & postbiotics• Exploring how skin microbiome balance influences common skin concerns like aging, acne, and sensitivity• Investigating the skin microbiome in indigenous populations like the Yanomami hunter-gatherers• Training sniffer dogs to detect COVID-19 from sweat with >95% accuracyWhy It Matters:Your skin flora plays a bigger role in skin health than you think. Whether you’re battling body odor, struggling with sensitive skin, or just curious about microbiome-friendly skincare, this episode provides science-backed tips that could change the way you approach healthy skin.🎧 Tune in now and unlock the secrets of your skin microbiome!Every Thursday on Skin to It, dermatologist Dr. Sandy Skotnicki and beauty enthusiast Marlo Sutton guide you through the maze of skincare, cutting through the noise to help you achieve your healthiest skin. Subscribe to ensure you never miss out on our skincare wisdom!Love our podcast? Tell us what you love about the show to help others discover it too, by sharing your review.Skin to It is a skincare podcast brought to you by Bioderma.For more information about Skin to It, visit skintoitpodcast.com.Follow us on social media at Dr. Sandy Skotnicki and Marlo Sutton.