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We often say "it's in my genes" as though our DNA is a fixed sentence we have no power over. But epigenetics tells a very different story, and it changes everything about how I think about skincare.

In this episode, I explore the science of epigenetics: how our environment, lifestyle, and even the ingredients we apply to our skin can gently change the way our genes behave, without altering the DNA itself. I explain the difference between the hard drive that never changes and the settings (the on/off switches) that determine everything about how it functions.

I walk through the tragic story of the Dutch Hunger Winter, one of the most powerful natural experiments in epigenetic science, and what it revealed about how early environmental stress leaves chemical marks on DNA that can last generations. I discuss twin research, the phenomenon of secular acceleration, and why epigenetic alteration is now recognized as one of the primary hallmarks of aging. I then bring all of this directly into skincare, explaining how glycerin, hyaluronic acid, peptides, niacinamide, and resveratrol all act epigenetically on skin cells, how we test these effects in the lab, and how this science led us to launch our first epigenetically active product at Meder Beauty back in 2017.

If you have ever wondered whether skincare can genuinely change how your skin ages at a cellular level, this episode gives you the honest answer.

Episode resources:

Alexander Meissner, Ph.D.

Hallmarks of aging: An expanding universe

Accelerated biological aging six decades after prenatal famine exposure

Prenatal exposure to the 1944-45 Dutch 'hunger winter' and addiction later in life

Epigenetic Ingredients in Skincare - Meder Journal, March 29, 2023

Epigenetic differences arise during the lifetime of monozygotic twins

Shop the skincare we talked about today:

Meder Beauty's Blepharo-Rich Eye Cream

Anti Aging Intense Face Oil - Vita-Long - Meder Beauty

Learn more from the previous episodes:

The 12 Hallmarks That Shape Your Skin

Vita-Long 2.0: Addressing 8 Hallmarks of Aging in One Formula

Hyaluronic Acid: What It Really Does for Your Skin

The Truth About Collagen: Biggest Myths About Taking Collagen

The Magic of Peptides: Why They’re Transforming Skincare Forever

Vitamins in Skincare: What Works, What Doesn’t & What’s Coming Next

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One of the most common questions I receive is deceptively simple: how do I introduce a new product into my existing routine?

In this episode of the Meder Beauty Podcast, I sit down with medical aesthetician Sarah Drew to answer exactly that, and to challenge some of the assumptions behind the question itself, because sometimes the right answer is not to add a new product at all. Together we cover how to audit an existing routine before reaching for something new, why the cleanser matters more than the serum, how to do a proper allergy test, the real meaning of "hypoallergenic," why mixing hero products from multiple brands is riskier than it seems, and how packaging affects preservation, allergic potential, and shelf life. We also share the practical safety rules every consumer should know before making their next skincare purchase, from weekly masks and eye creams to active serums and retinoids.

A conversation that is equal parts practical, honest, and genuinely useful for anyone who has ever felt overwhelmed standing in front of a skincare shelf.

Episode resources:

Meder Mask Box Set

Learn more from the previous episodes:

The Value of a Skin Professional with Sarah Drew

Why Skincare Strategy Starts With Listening First with Sarah Drew

Are Aggressive Skin Treatments Worth the Risk w/ Sarah Drew

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Sarah Drew Instagram

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In 2013, a landmark paper changed how I think about skin aging forever. When Carlos López-Otín and his team published the Nine Hallmarks of Aging, I began asking one question: could we address these aging patterns with skincare?

This episode tells the full story, from that scientific turning point to the launch of Vita-Long 2.0, Meder Beauty's new skin longevity active care formula. I walk you through the creation of the original Vita-Long longevity veil oil in 2018, what worked, what didn't, and why I went back to the drawing board when the hallmarks of aging were updated to twelve in 2024. I explain how Vita-Long 2.0 is built around 8 hallmarks of aging, which 7 key ingredients I chose and why, and what each one does inside your skin, from bio-fermented resveratrol and astaxanthin to Sirtalis, age-biotic anorm, nectarilis, and a first-in-category cyclic peptide. This is not a product advertisement; it is the scientific story of why this formula exists, what it is trying to do, and what I honestly believe it can (and cannot) achieve for your skin.

Episode resources:

Marie-Claire Prix D’Excellence de Beauté 2020 winner

Hallmarks of aging: An expanding universe by Carlos López-Otín

Vita-Long longevity veil oil is saying goodbye

Circa-Night Biohacking restorative night cream

Learn more from the previous episodes:

What Most People Get Wrong About Antioxidants in Skincare

Active Longevity vs Anti-Aging: The Real Difference

The 12 Hallmarks That Shape Your Skin

The Tiny Power Plant Deciding How Your Skin Ages

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Meder by Dr. Tiina Meder

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They are microscopic. They originated as ancient bacteria, and they quietly determine how your skin ages.

In this episode, I zoom in on one of the most important, and most overlooked, players in skin biology: the mitochondria. Often called the power plants of the cell, mitochondria produce the energy currency ATP that fuels every single process in your skin, from collagen synthesis and barrier repair to immune response and cellular renewal.

I explain why mitochondrial dysfunction is recognized as a central hallmark of aging, exploring the elegant Aging Spiral Theory by Dr. Masato Hiki, and share what mitochondrial decline actually looks like in the skin (dullness, thinning, slower renewal, loss of elasticity). I also cover exactly what you can do about it, from daily lifestyle habits to specific skincare ingredients that directly support mitochondrial health.

If you want to understand why your energy levels, your sleep, your sunscreen, and your antioxidants are all connected to how your skin ages, this episode will give you the science behind it.

Episode resources:

The Aging Spiral Theory – Aging Unveiled: The Invisible Role of CO₂, Oxygen, and Mitochondria by Masato Hiki

Meder Beauty Circa Night Cream

Learn more from the previous episodes:

Hyaluronic Acid: What It Really Does for Your Skin

How Stress Affects Skin and How We Can Manage Skin Reaction

The 12 Hallmarks That Shape Your Skin

What Most People Get Wrong About Antioxidants in Skincare

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Meder by Dr. Tiina Meder

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What does it really mean to practice holistic aesthetic medicine, and does it actually exist in the world of lasers, injectables, and filler?

In this episode, I am talking with Dr. Natalya Borakowski, naturopathic doctor and founder of Desert Bloom Skincare in Scottsdale, Arizona. From her unexpected path through music, banking, and a makeup counter, to naturopathic medical school and an Arizona aesthetic clinic, Dr. Natalya brings a rare perspective: that the face is not just a surface to correct, but a reflection of a woman's internal health, emotional world, and identity.

Together we discuss the emotional drivers behind aesthetic treatments, why fear and shame dominate beauty marketing, what holistic practice actually looks like in a clinical setting, and how small daily rituals (from colorful food to mindful skincare) can be more powerful than any procedure. Dr. Natalya also shares her new platform, Unveil You, dedicated to helping women reconnect with their self-image and age on their own terms.

If you've ever wondered whether aesthetic medicine can be both medically rigorous and deeply human, this conversation will give you the answer.

Episode resources:

Solar Defense Tinted SPF 30 by HydroPeptide

Every Brain Needs Music: The Neuroscience of Making and Listening to Music by Lawrence Sherman

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Dr. Natalya Borakowski LinkedIn

Dr. Natalya Borakowski Instagram

Desert Bloom Skincare Website

Desert Bloom Skincare LinkedIn

Desert Bloom Skincare Instagram

UnveilYou Website

UnveilYou LinkedIn

UnveilYou Instagram

Unveiled Radiance Podcast

Meder by Dr. Tiina Meder

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Aging is not just what we see in the mirror. It is a complex biological process happening deep within our cells.

In this episode of Meder Beauty Podcast, I explore the 12 hallmarks of aging, a scientific framework that explains exactly what drives aging in the body and the skin. From DNA damage and mitochondrial dysfunction to microbiome imbalance and chronic inflammation, these mechanisms form a map of how and why our skin changes over time. Using the “skin as a luxury hotel” metaphor, I break down how these processes interact, why quick fixes don’t work long-term, and how we can support the skin through active longevity strategies.

This episode offers a new perspective on aging, shifting the conversation from anti-aging to understanding and working with the biology of the skin.

Episode resources:

The 12 Hallmarks of Aging, updated by López-Otín

Learn more from the previous episodes:

Active Longevity vs Anti-Aging: The Real Difference

Vitamins in Skincare: What Works, What Doesn’t & What’s Coming Next

How Ingredients Interact. The Truth Behind Skincare Mixing Errors

The Magic of Peptides: Why They’re Transforming Skincare Forever

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Meder by Dr. Tiina Meder

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In this episode of Meder Beauty Podcast, I sit down with medical aesthetician Sarah Drew to explore a controversial but important topic: aggressive aesthetic treatments. Many procedures promise quick transformations through lasers, injectables, radiofrequency, microneedling, or deep peels. But what are the long-term consequences for skin health?

We discuss why aggressive treatments often require downtime, why they may compromise the skin barrier, and why results can sometimes be unpredictable. We also explore the ethical responsibility of aesthetic professionals and how patient expectations for fast results can push treatments toward unnecessary aggression. Instead of focusing on quick fixes, we examine a different philosophy: supporting skin longevity through safer, more balanced strategies that respect the biology of the skin.

If you have ever wondered whether stronger treatments always mean better results, this conversation will help you rethink the future of skincare.

Learn more from the previous episodes: 

Episode 54

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Sarah Drew Instagram

Meder by Dr. Tiina Meder

Meder Beauty Instagram

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Anti-aging has been the dominant message in the beauty industry for decades. But is “fighting age” really the best strategy for our skin?

On today’s episode of the Meder Beauty Podcast, I explore the difference between the traditional anti-aging mindset and what I call active longevity. While anti-aging focuses on erasing visible signs of aging, active longevity focuses on maintaining skin health, resilience, and long-term function. To explain the difference, I use a metaphor: your skin as a luxury hotel that you manage for your entire life. Instead of constantly covering cracks in the walls, active longevity means maintaining the structure, protecting the foundation, and supporting everything that keeps the building functioning.

I talk about lifestyle habits, skincare routines, chronic inflammation, and the role of procedures like botox. The question shifts from “How can I look younger tomorrow?” to “How can my skin stay healthy and resilient for decades to come?” 

Active longevity is not about fighting age. It is about working with your biology to support your future self.

Episode resources:

Mediterranean Dietary Pattern and Prediction of All-Cause Mortality in a US Population

Results From the NIH-AARP Diet and Health Study

Learn more from the previous episodes: 

Understanding Wrinkles: Types, Causes & What Actually Works

Understanding & Treating Pigmentation Naturally with Sarah Drew

Skin Pigmentation: Causes, Triggers, and Treatments That Work

The Truth About Collagen: Biggest Myths About Taking Collagen

Your Skin’s Hidden Ecosystem: Why the Microbiome Matters More Than You Think

Food, Microbiome & Skin: The Forgotten Connection

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Meder by Dr. Tiina Meder

Meder Beauty Instagram

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Meder Beauty LinkedIn

Meder Beauty YouTube

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Hyaluronic acid is everywhere, in skincare, in supplements, and in injectable fillers. But do we really understand how it works?

Today, I explain what hyaluronic acid actually is, how it functions in our body, and why it is far more than just a “moisture magnet.” We discuss the difference between high and low molecular weight hyaluronic acid, how it behaves on the skin surface, and whether it can truly penetrate deeper layers. I also address important questions about oral supplementation, injectable fillers, and their long-term impact on skin aging. We explore the role of hyaluronic acid in inflammation, skin regeneration, and even active longevity research inspired by the naked mole rat. This is a science-based conversation about benefits, risks, and what realistic expectations should look like.

Learn more from the previous episodes:

The Truth About Skin Absorption and Safety

Episode resources:

Longevity gene from naked mole rats extends lifespan of mice

Matrix metalloproteinases (MMPs): chemical-biological functions and (Q)SARs

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Meder by Dr. Tiina Meder

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Do creams really penetrate the skin? And if they do, how deep and how safely?

On the Meder Beauty Podcast, I explain how skincare actually moves through the skin barrier and why penetration is not simply a marketing promise, but a scientific and safety question. I break down the 500 Dalton rule, which ingredients can truly pass through the stratum corneum, and why size, location, and even time of day influence absorption.

I talk about peptides, retinol, niacinamide, acids, and the surprising role of water as one of the strongest penetration enhancers. I also explain why over-exfoliation, microneedling, and barrier damage can increase permeability, sometimes in ways that are not beneficial. Penetration should be selective, smart, and controlled. In this conversation, I’ll help you understand what really reaches your skin and what should not.

Episode resources:

The 500 Dalton rule for the skin penetration of chemical compounds and drugs

Learn more from the previous episodes: 

Your Skin’s Hidden Ecosystem: Why the Microbiome Matters More Than You Think

The Magic of Peptides: Why They’re Transforming Skincare Forever

Beyond Retinol: The New Science of Safer, Smarter Skincare

Understanding Acne: Myths vs. Science

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Meder by Dr. Tiina Meder

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Listen to the Meder Beauty Podcast on Apple Podcasts