BIPHENYLHYDROXAMIC ACID is graded A (Safe) by Expert·ING, based on COSING regulatory data.
BIPHENYLHYDROXAMIC ACID
Safety grade: A
Biphenylhydroxamic acid is a lab-created chemical compound used in cosmetics for its ability to protect products and skin from deterioration. It works as a preservative and protective agent while also providing antioxidant benefits.
This ingredient is used in cosmetics to prevent microbial growth, protect against oxidative damage, condition the skin, and provide color to formulations.
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