TETRAPEPTIDE-30 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
TETRAPEPTIDE-30
Safety grade: A
This is a very small protein fragment made up of four amino acids linked together. It's designed to help protect and improve the skin's appearance by supporting its natural barrier function.
Tetrapeptide-30 is used in skincare products to condition and protect the skin by strengthening its natural protective barrier and promoting a healthier, 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