Lay opinion vs evidence: Hautalterung Männer

Lay opinion often claims that men's skin ages slower because it is thicker and has more collagen. Evidence shows a more nuanced reality: male skin is indeed thicker and contains more collagen initially, but it loses collagen at a similar rate with age. The key difference is hormonal: estrogen protects female skin from oxidative stress, while testosterone increases sebum production, leading to larger pores and more oiliness in men. UV damage is often more pronounced in men due to lower sunscreen use. Genetic variants (e.g., MC1R) influence sun sensitivity, but consumer DNA tests for skin aging have limited predictive value. Biomarkers like advanced glycation end-products (AGEs) or skin thickness measurements are more evidence-based but not validated for home tests. Overall evidence is mechanistic to moderate: no RCTs show that any specific test reliably predicts or slows male skin aging. Be cautious of marketing claims linking single genes (e.g., collagen SNPs) to anti-aging. Lifestyle factors (UV protection, antioxidants, sleep) remain the most evidence-supported approach.