Copper tripeptide (GHK-Cu) is a peptide chain composed of three amino acids. It plays an important role in wound healing, promoting the synthesis of collagen and elastin, improving skin firmness and reducing fine lines. In addition, copper tripeptide can enhance the production of mucus between skin cells, promote angiogenesis and hair follicle growth, accelerate hair growth and prevent hair loss. Its antioxidant and anti-inflammatory properties help improve tissue metabolism, exert antioxidant defense effects, and inhibit inflammatory responses.