Tripeptide-29 (Topical) – A Skin Conditioning Peptide Tripeptide-29 is an essential part of type 1 collagen as a Gly-Pro-Hyp peptide Collagen, to elaborate, is a very long chain of amino acids Peptides, short sequences of amino acids, are the product of dismantling this structure These peptides signal to the skin that new collagen formation is required because of collagen loss