The 19th Century Discovery Behind the Future of Skincare

The 19th Century Discovery Behind the Future of Skincare

Send us Fan Mail [https://www.buzzsprout.com/2459772/fan_mail/new] The word microbiome is everywhere now. But the science behind it goes back much further than most people realize, all the way to a Ukrainian soil scientist in the late 19th century and a Nobel laureate who promoted yogurt as a longevity tool long before we had a word for probiotics. In this episode, I explore dysbiosis, the disruption of the microbial community living with your skin, which was officially added to the twelve hallmarks of aging in 2024. I begin with the historical roots of microbiome science, from Sergei Winogradsky's soil ecosystems to Élie Metchnikoff's revolutionary ideas about gut bacteria and aging, and trace the path to the Human Microbiome Project launched in 2007 that mapped the microbial life of the entire human body. I explain what a healthy skin microbiome actually looks like, why it follows what I call the Anna Karenina law, and how age-related dysbiosis shifts the microbial community from protective to pro-inflammatory. I also cover the gut-skin-brain microbiome axis, the phenomenon of leaky gut, and what both mean for visible skin aging. And finally, the practical strategy: how nutrition, lifestyle, and the right topical ingredients (prebiotics, probiotics, biofermented extracts, and the new generation of agebiotics) can restore microbial balance and actively support skin longevity. Episode resources: Shannon-Weaver index [https://cdxapps.epa.gov/oms-substance-registry-services/substance-details/1641315] Advanced Biohacking Anti-Acne Skincare Routine [https://mederbeauty.com/pages/advanced-acne-biohacking-skincare-routine] Hallmarks of aging: An expanding universe by Carlos López-Otín [https://pubmed.ncbi.nlm.nih.gov/36599349/] Human Microbiome Project (HMP) [https://commonfund.nih.gov/hmp] Recycling Metchnikoff: Probiotics, the Intestinal Microbiome and the Quest for Long Life [https://pmc.ncbi.nlm.nih.gov/articles/PMC3859987/] Sergei Winogradsky: a founder of modern microbiology and the first microbial ecologist [https://pubmed.ncbi.nlm.nih.gov/22092289/] Some indigenous people from the Amazon have the richest and most diverse microbiota ever recorded in humans [https://www.gutmicrobiotaforhealth.com/some-indigenous-people-from-the-amazon-have-the-richest-and-most-diverse-microbiota-ever-recorded-in-humans/] Testing the Anna Karenina Principle in Human Microbiome-Associated Diseases [https://pubmed.ncbi.nlm.nih.gov/32305861/] Learn more from the previous episodes:  Epigenetic Skincare: Can We Reprogram How Our Skin Ages? [https://podcasts.apple.com/us/podcast/epigenetic-skincare-can-we-reprogram-how-our-skin-ages/id1801328245?i=1000766188882] The Hidden Inflammation Accelerating Your Skin Aging [https://podcasts.apple.com/us/podcast/the-hidden-inflammation-accelerating-your-skin-aging/id1801328245?i=1000771825475] Zombie Cells Are Aging Your Skin: Here's How to Stop Them [https://podcasts.apple.com/us/podcast/zombie-cells-are-aging-your-skin-heres-how-to-stop-them/id1801328245?i=1000769601099] Sun Protection Strategy: More Than Sunscreen! [https://podcasts.apple.com/us/podcast/sun-protection-strategy-more-than-sunscreen/id1801328245?i=1000719604347] Shop the skincare we talked about today:  Vita-Long - Advanced skin longevity care [https://eu.mederbeauty.com/products/vita-long-oil] Connect with us: Meder by Dr. Tiina Meder [https://mederbeauty.com/] Meder Beauty Instagram [https://www.instagram.com/mederskincareus/#] Meder Beauty Facebook [https://www.facebook.com/MederBeauty] Meder Beauty TikTok [https://www.tiktok.com/@meder_beauty] Meder Beauty LinkedIn [https://www.linkedin.com/company/meder-beauty-science-&-spa/] Meder Beauty YouTube [https://www.youtube.com/@MederBeautyInternational] Listen to the Meder Beauty Podcast on Apple Podcasts [https://podcasts.apple.com/us/podcast/meder-beauty-podcast/id1760963676]

The Hidden Inflammation Accelerating Your Skin Aging

Send us Fan Mail [https://www.buzzsprout.com/2459772/fan_mail/new] Inflammation is not your enemy. It is one of the most essential processes in your body, your skin's defense and repair program, the fire alarm that calls the immune system when something goes wrong. Without it, you cannot heal. The problem is what happens when that alarm never switches off. In this episode, I explore inflammation and inflammaging, the chronic, low-grade, systemic inflammation that builds quietly with age and accelerates skin aging from the inside out. I explain the five classic signs of inflammation, why so many aesthetic procedures deliberately use controlled inflammation to trigger regeneration, and what goes wrong when inflammation becomes too intense, too frequent, or never fully resolved. I cover every major trigger of inflammaging, and what each one does to your skin at a cellular level. And I share the practical anti-inflammaging strategy: why antioxidants must be part of your daily routine, which anti-inflammatory ingredients actually work, and how to build a skincare routine that calms the fire alarm rather than feeding it. Episode resources: Future‑Proof Skin: Science, Skin Biohacking and Töörõõm – the Secret Life of Your Skin Hotel by Tiina Meder [https://www.amazon.com/Future%E2%80%91Proof-Skin-Science-Biohacking-T%C3%B6%C3%B6r%C3%B5%C3%B5m-ebook/dp/B0D58T2S8T?ref_=ast_author_dp&th=1&psc=1] Hallmarks of aging: An expanding universe by Carlos López-Otín [https://pubmed.ncbi.nlm.nih.gov/36599349/] Learn more from the previous episodes:  Zombie Cells Are Aging Your Skin: Here's How to Stop Them [https://podcasts.apple.com/us/podcast/zombie-cells-are-aging-your-skin-heres-how-to-stop-them/id1801328245?i=1000769601099] Your Skin's Renewal System: The Real Science of Stem Cells [https://podcasts.apple.com/us/podcast/your-skins-renewal-system-the-real-science-of-stem-cells/id1801328245?i=1000768521458] The Real Cellular Detox Your Skin Is Already Doing [https://podcasts.apple.com/us/podcast/the-real-cellular-detox-your-skin-is-already-doing/id1801328245?i=1000767340579] The Tiny Power Plant Deciding How Your Skin Ages [https://podcasts.apple.com/us/podcast/the-tiny-power-plant-deciding-how-your-skin-ages/id1801328245?i=1000761254600] Vita-Long 2.0: Addressing 8 Hallmarks of Aging in One Formula [https://podcasts.apple.com/us/podcast/vita-long-2-0-addressing-8-hallmarks-of-aging-in-one-formula/id1801328245?i=1000762533703] Glycation Explained: How Sugar Damages Collagen [https://podcasts.apple.com/us/podcast/glycation-explained-how-sugar-damages-collagen/id1801328245?i=1000739252788] Connect with us: Meder by Dr. Tiina Meder [https://mederbeauty.com/] Meder Beauty Instagram [https://www.instagram.com/mederskincareus/#] Meder Beauty Facebook [https://www.facebook.com/MederBeauty] Meder Beauty TikTok [https://www.tiktok.com/@meder_beauty] Meder Beauty LinkedIn [https://www.linkedin.com/company/meder-beauty-science-&-spa/] Meder Beauty YouTube [https://www.youtube.com/@MederBeautyInternational] Listen to the Meder Beauty Podcast on Apple Podcasts [https://podcasts.apple.com/us/podcast/meder-beauty-podcast/id1760963676]

The Skincare Consultation Guide Nobody Gave You w/ Sarah Drew

Send us Fan Mail [https://www.buzzsprout.com/2459772/fan_mail/new] The word "consultation" covers an enormous range of experiences, from a beauty counter in a department store to an online quiz, a spa facial, or a full aesthetic medical clinic. And knowing which one you need, when you need it, and what to expect from it can save you money, time, and a great deal of disappointment. In this episode, I sit down with medical aesthetician Sarah Drew to map the entire consultation landscape honestly. We discuss what actually happens at a beauty counter and what qualifications the person behind it really has, why online consultations are more useful than people expect, what the difference is between a beauty salon and a medical aesthetics clinic, and what questions every client should ask before agreeing to any procedure. We also share the red flags that should send you straight for the door (fear-mongering, straight answers about unpredictable results, and practitioners who claim nothing ever goes wrong), and the green flags that tell you you have found the right person. Because the best consultation of your life should leave you feeling empowered, informed, and genuinely cared for, not pressured, intimidated, or worse than when you walked in. Episode resources: Meder Beauty Skin Quiz - Find the Best Products for Your Skin [https://mederbeauty.com/pages/skin-quiz] Paula's Choice Skin Care Ingredient Dictionary [https://www.paulaschoice.com/ingredient-dictionary?srsltid=AfmBOoqp2ygxN4UGESuig5eHZTKtzlLaUrawtBTIYwVFN-IzZ_Fz2zA6] Baumann Skin Types [https://baumannskintypes.com/] Learn more from the previous episodes: Are Aggressive Skin Treatments Worth the Risk w/ Sarah Drew [https://podcasts.apple.com/us/podcast/are-aggressive-skin-treatments-worth-the-risk-w-sarah-drew/id1801328245?i=1000756942984] Pro Tips for Building a Smarter Skincare Routine w/ Sarah Drew [https://podcasts.apple.com/us/podcast/pro-tips-for-building-a-smarter-skincare-routine-w/id1801328245?i=1000763984205] Shop the skincare we talked about today: Soin-Apax Sensitive skin serum [https://mederbeauty.com/products/soin-apax-serum?variant=49395648069917] Connect with us: Sarah Drew Instagram [https://www.instagram.com/queenofskinco/] Meder by Dr. Tiina Meder [https://mederbeauty.com/] Meder Beauty Instagram [https://www.instagram.com/mederskincareus/#] Meder Beauty Facebook [https://www.facebook.com/MederBeauty] Meder Beauty TikTok [https://www.tiktok.com/@meder_beauty] Meder Beauty LinkedIn [https://www.linkedin.com/company/meder-beauty-science-&-spa/] Meder Beauty YouTube [https://www.youtube.com/@MederBeautyInternational] Listen to the Meder Beauty Podcast on Apple Podcasts [https://podcasts.apple.com/us/podcast/meder-beauty-podcast/id1760963676]

Zombie Cells Are Aging Your Skin: Here's How to Stop Them

Send us Fan Mail [https://www.buzzsprout.com/2459772/fan_mail/new] It sounds like science fiction, but the zombie apocalypse is real, and it is happening in your skin right now. In this episode, I explore cellular senescence: what it is, why it happens, and why it is one of the most important (and most misunderstood) processes in skin aging. Senescent cells are not dead, but they are not truly alive or useful either. They stop dividing, refuse to be eliminated, and begin secreting a toxic cocktail of inflammatory molecules, collagen-destroying enzymes, and damaging signals that accelerate aging in every healthy cell around them. In the skin hotel metaphor: retired staff members who refuse to leave the building, gossip in the corridors, and poison the atmosphere for everyone else. I explain what senescence does to fibroblasts, keratinocytes, and melanocytes specifically, why stimulating senescent cells makes things dramatically worse rather than better, and what the two real strategies for managing senescence actually are: senolytic (eliminating zombie cells) and senomorphic (silencing them). I also cover the triggers that accelerate senescence (UV radiation, oxidative stress, chronic inflammation, glycation, and lifestyle choices) and what you can practically do about all of them, from quercetin-rich food and resveratrol skincare to sleep, physical activity, and knowing which aesthetic procedures are genuinely senolytic rather than just stimulating. Episode resources: Healthy Foods High in Quercetin [https://www.webmd.com/diet/foods-high-in-quercetin] Fisetin: A Dietary Antioxidant for Health Promotion - PMC - NIH [https://pmc.ncbi.nlm.nih.gov/articles/PMC3689181/] Hallmarks of aging: An expanding universe by Carlos López-Otín [https://pubmed.ncbi.nlm.nih.gov/36599349/] Learn more from the previous episodes: The 12 Hallmarks That Shape Your Skin [https://podcasts.apple.com/us/podcast/the-12-hallmarks-that-shape-your-skin/id1801328245?i=1000758377851] Vita-Long 2.0: Addressing 8 Hallmarks of Aging in One Formula [https://podcasts.apple.com/us/podcast/vita-long-2-0-addressing-8-hallmarks-of-aging-in-one-formula/id1801328245?i=1000762533703] The Real Cellular Detox Your Skin Is Already Doing [https://podcasts.apple.com/us/podcast/the-real-cellular-detox-your-skin-is-already-doing/id1801328245?i=1000767340579] Glycation Explained: How Sugar Damages Collagen [https://podcasts.apple.com/us/podcast/glycation-explained-how-sugar-damages-collagen/id1801328245?i=1000739252788] Your Skin's Renewal System: The Real Science of Stem Cells [https://podcasts.apple.com/us/podcast/your-skins-renewal-system-the-real-science-of-stem-cells/id1801328245?i=1000768521458] Shop the skincare we talked about today: Vita-Long 2.0 - Advanced skin longevity care [https://eu.mederbeauty.com/products/vita-long-oil] Connect with us: Meder by Dr. Tiina Meder [https://mederbeauty.com/] Meder Beauty Instagram [https://www.instagram.com/mederskincareus/#] Meder Beauty Facebook [https://www.facebook.com/MederBeauty] Meder Beauty TikTok [https://www.tiktok.com/@meder_beauty] Meder Beauty LinkedIn [https://www.linkedin.com/company/meder-beauty-science-&-spa/] Meder Beauty YouTube [https://www.youtube.com/@MederBeautyInternational] Listen to the Meder Beauty Podcast on Apple Podcasts [https://podcasts.apple.com/us/podcast/meder-beauty-podcast/id1760963676]

Your Skin's Renewal System: The Real Science of Stem Cells

Send us Fan Mail [https://www.buzzsprout.com/2459772/fan_mail/new] Stem cells are one of the most romanticized, and most misunderstood, concepts in both skincare and anti-aging medicine. In this episode, I want to cut through the confusion and speak about stem cells honestly: first as the biological renewal system at the heart of your skin's longevity, and then as cosmetic ingredients, because these are two very different conversations. I explain the four stem cell academies of the skin (epidermal, melanocyte, dermal, and adipose-derived), where they live, what they do, and what happens to each of them as we age. I discuss the natural enemies of your stem cell pool: UV radiation, oxidative stress, chronic inflammation, and aggressive aesthetic treatments performed too young, and the extreme loss of facial fat (something the industry rarely talks about). I also address the question of ozempic, extreme leanness, and what happens to your skin's renewal capacity when you lose fat tissue, because this is a conversation that needs to happen now. And finally, I demystify what "stem cells" on a cosmetic label actually means, the difference between human or animal stem cell-derived conditioned media, and plant callus lysates like Swiss apple, edelweiss, noni, and maclura. They are very different things, they work through very different mechanisms, and understanding the distinction will change how you read a product label. Your stem cells like safety, stability, and nourishment. They do not like drama, and in this episode, I explain exactly how to give them what they need. Episode resources: Uttwiler Spätlauber - Swiss Apple Stem Cells [https://jacquelinepiotaz.com/pages/uttwiler-spaetlauber] Hallmarks of aging: An expanding universe by Carlos López-Otín [https://pubmed.ncbi.nlm.nih.gov/36599349/] Learn more from the previous episodes:  The Real Cellular Detox Your Skin Is Already Doing [https://podcasts.apple.com/us/podcast/the-real-cellular-detox-your-skin-is-already-doing/id1801328245?i=1000767340579] The Tiny Power Plant Deciding How Your Skin Ages [https://podcasts.apple.com/us/podcast/the-tiny-power-plant-deciding-how-your-skin-ages/id1801328245?i=1000761254600] YouTube Playlist: Sun, Climate & Environmental Stress [https://www.youtube.com/playlist?list=PL21CZDTTBUqM8sRDVdnakPDeTeLq6gJm1] Shop the skincare we talked about today:  Meder Arma-Lift Concentrate | Age Well Firming Serum [https://mederbeauty.com/products/arma-lift-concentrate] Connect with us: Meder by Dr. Tiina Meder [https://mederbeauty.com/] Meder Beauty Instagram [https://www.instagram.com/mederskincareus/#] Meder Beauty Facebook [https://www.facebook.com/MederBeauty] Meder Beauty TikTok [https://www.tiktok.com/@meder_beauty] Meder Beauty LinkedIn [https://www.linkedin.com/company/meder-beauty-science-&-spa/] Meder Beauty YouTube [https://www.youtube.com/@MederBeautyInternational] Listen to the Meder Beauty Podcast on Apple Podcasts [https://podcasts.apple.com/us/podcast/meder-beauty-podcast/id1760963676]