Clinical studies with collagen peptides and placebos show the effect of collagen. For this purpose, 5 grams were administered daily over a period of 12 weeks. The results, published in the Journal of Cosmetic Dermatology, show that collagen peptides can strengthen the deeper layers of the skin. The studies show that collagen can be the key to seamlessly preventing wrinkles and sagging skin all over the body.
Blog posts
The 4 Best Collagen Products in 2026 - Who Is the Test Winner in 2026
Which collagen best suits your routine? In our Collagen Drink Test 2026, we compare four well-known products based on price, taste, routine fit, and beauty focus.
Sugar & Skin: How Insulin Robs Your Glow
Sugar not only raises blood sugar levels – but also inflammation, sebum production, and collagen breakdown.
Learn how the hormone insulin affects your skin – and what you can do about it. With tips on nutrition, exercise, and micronutrients for true skin balance.
Cortisol & Skin – When Stress Changes Your Face
Cortisol blocks regeneration, promotes pimples, and makes your skin age faster. Read how stress changes your skin – and how you can protect it from within.