T-BUTYLPHENOXY PROPANEDIOL is graded A (Safe) by Expert·ING, based on COSING regulatory data.
T-BUTYLPHENOXY PROPANEDIOL
Safety grade: A
This is a lab-created compound that acts as a preservative helper and moisture preserver in skincare products. It protects formulas from breaking down while helping keep skin hydrated.
This ingredient prevents product oxidation and degradation while drawing moisture into the skin, helping to maintain product stability and skin hydration.
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