Advanced Strategies in Anti-Photoaging: A Review of Caffeoyl Hexapeptide-9 (CH-9) Development

Chronic exposure to ultraviolet (UV) irradiation is a primary driver of skin photoaging, clinically manifesting as wrinkles, textural deterioration, and a loss of elasticity. This process is characterized by collagen degradation mediated by matrix metalloproteinases (MMPs) and the release of…








