Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate

PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE

Data confidence:Moderate

Function

UV Filter (Chemical)

EWG Safety Score

2/10Low concern

About this ingredient

A hindered ester antioxidant derived from pentaerythritol and di-tert-butyl hydroxyhydrocinnamate that prevents oxidative degradation of cosmetic formulations and skin oils. It functions as a stabilizer and free radical scavenger, protecting both product integrity and skin from oxidative stress. This ingredient is commonly used in sunscreens and anti-aging formulations to enhance preservation and antioxidant benefits.

Found in 5+ sunscreens