AMINOBUTYROYL PENTAPEPTIDE-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
AMINOBUTYROYL PENTAPEPTIDE-4
Safety grade: A
This is a small chain of amino acids (the building blocks of proteins) that is designed to protect skin from damage and stress. It works by helping skin maintain its natural defenses against environmental factors that can age or harm it.
This ingredient protects skin from oxidative damage and environmental stressors while supporting the skin's natural defense mechanisms to keep it healthy and youthful-looking.
Graded using: COSING.
Last verified: May 26, 2026
Other Antioxidant ingredients
- TOCOPHEROL — Grade A
- TOCOPHERYL ACETATE — Grade A
- BHT — Grade C**
- ASCORBYL PALMITATE — Grade A
- HYDROXYACETOPHENONE — Grade A
- PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE — Grade A
- ASCORBIC ACID — Grade A
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A