Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. N284231/1 ●

TL;DR. This ingredient is an antioxidant stabilizer used to slow rancidity, color change, and fragrance degradation in oil-rich formulas. It helps protect oils, butters, waxes, and aroma materials during storage.

What does Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. N284231/1 do in a cosmetic formula?

This ingredient is an antioxidant stabilizer used to slow rancidity, color change, and fragrance degradation in oil-rich formulas. It helps protect oils, butters, waxes, and aroma materials during storage.

Is Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. N284231/1 clean?

From a clean-beauty perspective, this ingredient has low typical irritation potential because it is large and not very skin-penetrating, but it can create friction in stricter programs because it is a synthetic phenolic stabilizer. It is not a common allergen, preservative, or endocrine-focused restricted-list ingredient.

Is Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. N284231/1 sustainable?

This material is synthetic and typically petroleum-derived, with limited alignment to renewable sourcing. It is not considered readily biodegradable, so its environmental profile is less favorable than plant-derived antioxidants that break down more easily.

Is Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. N284231/1 COSMOS-approved?

It is not permitted under COSMOS-natural or COSMOS-organic standards because it falls outside the allowed natural, naturally derived, and specifically permitted synthetic ingredient categories. From a Green Chemistry view, its oxidation-control function is useful, but petrochemical sourcing and poor biodegradability weaken its fit.

How does Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. N284231/1 work chemically?

The molecule is a bulky phenolic ester with multiple tert-butyl groups that donate hydrogen to interrupt free-radical oxidation in lipids and fragrance components. It is used at low stabilizing levels, often around 0.01% to 0.1%, is oil-soluble, heat-stable, and most useful in anhydrous or oil-phase systems rather than water-based formulas.

Last updated 2026-05-16