With aging, collagen and elastin in the skin decrease, leading to sagging, fine lines and deep wrinkles. These changes often arise from oxidative stress, inflammation, and changes in enzyme activities. Collagen is the main structural protein of the extracellular matrix of connective tissue, and has a positive role in healing, bone regeneration and anti-aging of skin. The active collagen tripeptides (CPs), such as Gly-Pro-Hyp (GPH) and Pro-Hyp (PH), have shown effectiveness in anti-skin aging. In particular, CPs and elastin peptides (EPs) supplements can repair wrinkles, accelerate collagen synthesis, and play an anti-aging effect. However, despite oligopeptide collagen, CP, and EP...