SH-POLYPEPTIDE-71 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SH-POLYPEPTIDE-71
Safety grade: A
This is a specially engineered protein fragment made in the laboratory that mimics natural proteins found in hair and skin. It works by coating and smoothing the hair and skin surface to improve texture and appearance.
This ingredient forms a protective, smoothing layer on hair and skin to reduce frizz, improve softness, and enhance overall conditioning and moisture retention.
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