The collagen peptide of five women doctors in Tik Tok is not a scam. The collagen peptides of five female doctors in Tik Tok are credible. The main components of collagen peptide of five female doctors are vitamins and collagen, which can help effectively improve fine lines on the skin. Vitamins are also added, which can help effectively improve skin color, which is very good for human skin, and the molecules are very small, which is very easy to be absorbed by the human body and suitable for most people.