The functions of blue copper peptide mainly include: 1. Effectively promote the production of collagen, increase blood vessel growth and antioxidant capacity, and stimulate the production of glucosaminoglycans to help the skin restore its self-repair ability; 2. Promote the growth and differentiation of epithelial cells, thereby accelerating wound healing; 3. Promote the proliferation of hair follicles, increase the size of hair follicles, and promote hair growth.