SH-POLYPEPTIDE-51 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SH-POLYPEPTIDE-51
Safety grade: A
This is a lab-created protein fragment made up of amino acids linked together in a specific chain. It's designed to mimic natural proteins found in skin and help improve its appearance and feel.
It conditions and moisturizes the skin by forming a protective layer that helps retain water and improve skin 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