S-MUSSEL OLIGOPEPTIDE-2 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

S-MUSSEL OLIGOPEPTIDE-2

Safety grade: A

Derived from mussels, this natural protein fragment helps strengthen and firm skin by supporting its structural integrity. It works to improve skin elasticity and may reduce the appearance of fine lines, making it a popular choice in anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026