Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. May Contain: Titanium Dioxide

TL;DR. This ingredient is an antioxidant used to protect oils, fragrances, pigments, and finished formulas from oxidation and color shift. It is mainly a formula stabilizer, not an antioxidant active for skin benefits.

What does Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. May Contain: Titanium Dioxide do in a cosmetic formula?

This ingredient is an antioxidant used to protect oils, fragrances, pigments, and finished formulas from oxidation and color shift. It is mainly a formula stabilizer, not an antioxidant active for skin benefits.

Is Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. May Contain: Titanium Dioxide clean?

From a clean-beauty perspective, it has friction because it is a synthetic hindered-phenol antioxidant and may appear on stricter restricted lists. It is generally used at very low levels and is not a common sensitizer, but its synthetic origin and environmental profile keep it from being a clean-standard favorite.

Is Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. May Contain: Titanium Dioxide sustainable?

This material is typically petrochemical-derived and is not known for ready biodegradability. Its high molecular weight lowers mobility, but persistence concerns make its sustainability profile weaker than simpler plant-derived antioxidants.

Is Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. May Contain: Titanium Dioxide COSMOS-approved?

It is not generally aligned with COSMOS-natural or COSMOS-organic formulations unless a certifier grants a very specific allowance, which would be uncommon. Green Chemistry alignment is limited because it relies on synthetic petrochemical feedstocks and has poor biodegradability compared with more benign antioxidant options.

How does Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. May Contain: Titanium Dioxide work chemically?

The molecule is a bulky tetra-ester hindered phenol, designed to donate hydrogen to peroxide and radical species while remaining relatively nonvolatile and stable in oils. Typical use is very low, often around 0.01% to 0.1%, and it is chosen for heat and oxidation stability in anhydrous or oil-rich systems.

Last updated 2026-05-13