collagen peptide

How Do Collagen Peptides Act on the Skin? From Surface Hydration and Percutaneous Delivery to Fibroblasts and Collagen Homeostasis

Collagen peptides in skincare products are often understood as being able to directly replenish collagen lost from the skin. In reality, the process does not involve filling the dermis with exogenous collagen, but instead operates at two distinct levels.