DR MEDER'S BLOG

Why TikTok Trends Don’t Belong in Your Skincare Routine

In the beauty industry, trends come and go faster than the seasons. After nearly three decades working in dermatology and cosmetic science, I’ve seen them all — from bizarre to brilliant. Some make sense. Many do not. And a few, frankly, are alarming.

Skin Biohacking: What It Is And Why It Matters Now

You may never have asked yourself “what is biohacking?”, but you’ve almost certainly seen it on your social feeds. Intermittent fasting, continuous glucose monitors, sleep tracking rings, even stories about people experimenting with edited DNA – all of this belongs to a 21st‑century movement often described as a socio‑medical phenomenon: biohacking.

Pre-Party and After-Party Skincare: How to Keep Your Skin Glowing Before and After a Big Night Out

Whether it’s a glamorous red carpet event, a festive dinner, or a night out with friends, everyone wants radiant, flawless skin that looks healthy, smooth, and luminous in every light. The secret to that enviable glow is simple: prepare your skin before the party and take extra care afterwards.

Acne and Antioxidants

Have you ever wondered why some people suffer from acne while others never experience it? You might have oily but clear skin, while your friend with normal or dry skin struggles with persistent breakouts. Until recently, this seemed like an unsolved mystery. However, scientific research over the last few years has shed light on the complex mechanisms behind acne formation — and oxidative stress appears to be one of the key missing pieces.

Collagen: The Foundation of Youthful, Healthy Skin

Collagen is the most abundant protein in your skin and serves as its natural scaffolding. It provides strength, firmness, and elasticity—helping our skin stay smooth, plump, and youthful. Deep in the skin, collagen forms a strong, flexible network that supports skin cells, including the key cells that make collagen: fibroblasts.

Why We Need Retinol Alternative Skincare

Retinol is one of the most celebrated ingredients in skincare, renowned for its ability to smooth skin texture, even tone, and combat signs of aging. However, despite its popularity and effectiveness, retinol is not without controversy. Many users experience side effects such as irritation and sensitivity, and there are important health considerations, especially for pregnant or breastfeeding women.

The Skin Health Pyramid: Why Your Consultation Matters More Than You Think

When it comes to skincare, many people expect instant results from a single product or treatment. However, true skin health and lasting beauty require a much more comprehensive and thoughtful approach.

Why Professional Skincare Matters More Than Ever

Skincare today can feel overwhelming. With countless products available online and in stores, many wonder: why should I see a licensed aesthetician or skin practitioner when I can do it all at home? Being an aesthetic doctor, cosmetic safety expert and skincare researcher myself and after working closely with thousands of skin professionals I’ve come to appreciate even more deeply the vital role that professional skincare education and personalised care play in maintaining healthy skin.

From Medicine to Beauty: How Dr. Tiina Meder Started a Skincare Revolution

Everyone's journey into the beauty industry is different. I took a long route, from athletic pursuits to medicine, cardiology, working with pregnant women and new mothers, finally to skin care and skincare development. This is my story.