Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Ingredient Info
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate is a synthetic antioxidant used to prevent oils and fats in skincare formulas from oxidizing and going rancid. It helps extend product shelf life and maintain stability, particularly in products containing oils or vitamin E.
Benefits
- Prevents product degradation and rancidity
- Helps stabilize oils and fat-soluble actives like vitamin E
- Extends shelf life without refrigeration
Potential concerns
- Very rare allergic contact dermatitis reported in sensitive individuals
- May cause irritation in those with known sensitivities to phenolic antioxidants
Science: Limited peer-reviewed data available specifically for this ingredient. It is chemically related to established food-grade antioxidants and has a strong safety history in cosmetic use, though isolated cases of contact sensitization have been documented in vulnerable populations.
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