多肽不成“纹”的秘究 多肽是一个庞大的家族，多种

A study on the Secret of peptides not becoming tattoos Polypeptides are a huge family with many wins Combination of peptides The amino group of one amino acid can be combined with the carboxyl group of another amino acid to form a peptide Peptide can effectively prevent oxidative damage Stimulate collagen synthesis to smooth fine lines and resist aging