SH-POLYPEPTIDE-18 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SH-POLYPEPTIDE-18
Safety grade: A
This is a chain of amino acids (the building blocks of proteins) that is designed to help improve skin texture and appearance. It works by providing conditioning benefits that help skin feel softer and smoother.
It conditions and moisturizes the skin, helping to improve its feel, texture, and overall appearance by providing hydrating and smoothing benefits.
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