Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Skin Aging Claims Versus Systemic Anti-Aging Claims

Skin aging claims can point to topical studies on photoaging and wrinkle parameters, but systemic anti-aging claims often rely on gene expression, oxidative stress, inflammation, or animal data [2], [10], 17. The evidence is stronger for topical effects on ski

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  • Skin aging claims can point to topical studies on photoaging and wrinkle parameters, but systemic anti-aging claims often rely on gene expression, oxidative stress, inflammation, or animal data [2], [10], 17. The evidence is stronger for topical effects on skin appearance than for broad claims about longevity, cognition, liver repair, or chronic disease.