Palmitoyl Tripeptide-1 is a matrikine signal peptide, which acts on the dermis, can promote the synthesis of extracellular matrix such as collagen and glycosaminoglycan, strengthen the dermis, make the skin thicker, tighter, wrinkle relieved, and have stronger ability to resist ultraviolet radiation. Efficacy and application: anti wrinkle, anti aging, improving skin quality, facial care and body care. Face, neck and hand care products can be added to beauty care products, such as lotion, morning and night cream, eye essence, etc.