TETRAPEPTIDE-35 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
TETRAPEPTIDE-35
Safety grade: A
Tetrapeptide-35 is a small protein fragment made up of four amino acids linked together. It's designed to help improve skin texture and firmness by supporting the skin's natural structure.
This ingredient conditions and improves skin by helping to strengthen the skin barrier and promote a smoother, more resilient complexion.
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