SR-(S-MUSSEL POLYPEPTIDE-2 PENTAPEPTIDE-96 COW OCTAPEPTIDE-1 LYSINE) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-(S-MUSSEL POLYPEPTIDE-2 PENTAPEPTIDE-96 COW OCTAPEPTIDE-1 LYSINE)

Safety grade: A

This multi-peptide blend combines proteins from mussels and cow sources with lysine, an amino acid. It's designed to help firm and strengthen skin by supporting its natural structure, making it a common choice in anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026