SR-(TRIPEPTIDE-68 S-MUSSEL POLYPEPTIDE-1 DIPEPTIDE-44 S-MUSSEL OLIGOPEPTIDE-1 TETRAPEPTIDE-70 S-MUSSEL POLYPEPTIDE-1 SH-OLIGOPEPTIDE-81) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-(TRIPEPTIDE-68 S-MUSSEL POLYPEPTIDE-1 DIPEPTIDE-44 S-MUSSEL OLIGOPEPTIDE-1 TETRAPEPTIDE-70 S-MUSSEL POLYPEPTIDE-1 SH-OLIGOPEPTIDE-81)

Safety grade: A

This ingredient is derived from mussels and contains small protein chains that work to support and firm your skin. It helps maintain skin structure and elasticity, making it useful in anti-aging and lifting skincare products. The marine proteins may help improve skin texture and appearance over time.

Graded using: COSING.

Last verified: June 9, 2026