OLIGOPEPTIDE-33 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
OLIGOPEPTIDE-33
Safety grade: A
Oligopeptide-33 is a small chain of amino acids (the building blocks of proteins) that is designed to improve skin texture and appearance. It works by helping to strengthen and support the skin's natural structure.
This ingredient conditions and softens the skin by promoting a smoother, more resilient complexion and helping to maintain skin firmness and elasticity.
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