R-MUSSEL POLYPEPTIDE-1 R-MUSSEL OLIGOPEPTIDE-1 SH-POLYPEPTIDE-48 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
R-MUSSEL POLYPEPTIDE-1 R-MUSSEL OLIGOPEPTIDE-1 SH-POLYPEPTIDE-48
Mussel Peptides
Safety grade: A
This ingredient is a protein extract derived from mussels that has been broken down into small amino acid chains called peptides. These tiny protein fragments are easily absorbed by hair and skin.
Mussel peptides work to strengthen and moisturize both hair and skin by providing amino acids that help repair damage, improve elasticity, and create a protective conditioning layer.
Graded using: COSING.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A