HEXAPEPTIDE-18 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
HEXAPEPTIDE-18
Safety grade: A
Hexapeptide-18 is a short chain of six amino acids (the building blocks of proteins) that is created in a laboratory. It works to strengthen and improve the texture of both hair and skin by helping them retain moisture and maintain their structure.
This ingredient conditions and softens hair and skin by helping to strengthen their natural barrier, reduce moisture loss, and improve overall texture and smoothness.
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