SR-(POLYPEPTIDE-167 OLIGOPEPTIDE-178) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-(POLYPEPTIDE-167 OLIGOPEPTIDE-178)

Safety grade: A

A blend of amino acid chains designed to support skin's natural firmness and elasticity. This peptide complex works by signaling skin cells to maintain their structural integrity, helping reduce the appearance of fine lines and promoting a more youthful-looking complexion.

Graded using: COSING.

Last verified: June 9, 2026