Meder Beauty
You want healthy, glowing skin—but with all the products, trends, and conflicting advice, it’s hard to know what actually works. Welcome to the Meder Beauty Podcast, hosted by Dr. Tiina Meder, a former cardiologist and board-certified dermatologist. In each episode, we uncover what really matters, break down the science, and give you real, expert-backed skincare advice. Whether you’re looking to achieve radiant healthy skin, curious about anti-aging, or want to understand what’s really in your products, you’re in the right place. Rooted in science and the truth about what your skin actually needs, we’ll have in-depth conversations with leading dermatologists, medical experts, and skincare brand founders to bring you the latest innovations, evidence-based insights, and industry secrets that truly make a difference.
Meder Beauty
The 19th Century Discovery Behind the Future of Skincare
Use Left/Right to seek, Home/End to jump to start or end. Hold shift to jump forward or backward.
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:
Advanced Biohacking Anti-Acne Skincare Routine
Hallmarks of aging: An expanding universe by Carlos López-Otín
Human Microbiome Project (HMP)
Recycling Metchnikoff: Probiotics, the Intestinal Microbiome and the Quest for Long Life
Sergei Winogradsky: a founder of modern microbiology and the first microbial ecologist
Testing the Anna Karenina Principle in Human Microbiome-Associated Diseases
Learn more from the previous episodes:
Epigenetic Skincare: Can We Reprogram How Our Skin Ages?
The Hidden Inflammation Accelerating Your Skin Aging
Zombie Cells Are Aging Your Skin: Here's How to Stop Them
Sun Protection Strategy: More Than Sunscreen!
Shop the skincare we talked about today:
Vita-Long - Advanced skin longevity care
Connect with us:
Listen to the Meder Beauty Podcast on Apple Podcasts
