DIAMYLHYDROQUINONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
DIAMYLHYDROQUINONE
Safety grade: A
Diamylhydroquinone is a synthetic antioxidant chemical that helps protect cosmetic products and skin from damage caused by oxygen and environmental stressors. It works by neutralizing harmful free radicals that can break down product quality and affect skin health.
This ingredient is used in cosmetics to prevent oxidation and degradation of the product and skin, extending shelf life and helping to maintain the product's effectiveness and appearance.
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