Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Ingredient Facts
Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate
Synthetic · Antioxidant
Synthetic
Antioxidant
Clean
This synthetic antioxidant protects skin and hair from damage caused by free radicals and environmental stress. It helps maintain product freshness and preserve the benefits of other ingredients.
CAS #
6683-19-8
See origin →
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
CIR Safety Findings
Not a Sensitizer
CIR Expert Panel found no sensitization concern
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Verified Feb 2026
Data: CosIng