TETRAPEPTIDE-45 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
TETRAPEPTIDE-45
Safety grade: A
This is a small protein fragment made up of four amino acids linked together. It's designed to help improve skin's texture and appearance by supporting the skin's natural structure and firmness.
Tetrapeptide-45 conditions and softens the skin while helping to maintain its elasticity and smooth appearance.
Graded using: COSING, FDA.
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