Tetra-Di-T-Butyl Hydroxyhydrocinnamate

Tetra-di-t-butyl hydroxyhydrocinnamate is a hindered phenolic antioxidant used in cosmetics to stabilize oil-based ingredients. It limits oxidation of oils and fragrances, keeping product color and scent stable over shelf life.
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Ingredient Snapshot

Overview
Keeps oils and fragrance from going stale so products stay fresh longer.
Category
Preservative, Antioxidant
Type
Antioxidant

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps products keep their intended smell and appearance by slowing the breakdown of delicate oils, reducing the chance of rancid odors and off-colors over time.

Uses In Skincare & Cosmetics

Frequently added to facial oils, sunscreens, and oil-rich serums to improve shelf stability, and also used in lipsticks and balms to maintain formula integrity.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally low risk at typical cosmetic concentrations and not commonly irritating. As with most antioxidants, avoid direct eye contact and discontinue use if sensitivity appears. No widely recognized cosmetic-specific restrictions apply when it's used as intended.

Is Tetra-Di-T-Butyl Hydroxyhydrocinnamate a Good Ingredient?

This one rates Good as an effective, stable oil-phase antioxidant that prevents rancidity and color drift at very low use levels, with a low irritation profile. Its job is protecting the formula rather than acting on skin directly, which caps it below Great despite the reliable performance.

Products with Tetra-Di-T-Butyl Hydroxyhydrocinnamate

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