BHA ●
TL;DR. This ingredient is an antioxidant used to slow rancidity and oxidation in oils, waxes, fragrance components, and lipid-rich formulas. It protects the formula rather than acting as a skin-care active.
What does BHA do in a cosmetic formula?
This ingredient is an antioxidant used to slow rancidity and oxidation in oils, waxes, fragrance components, and lipid-rich formulas. It protects the formula rather than acting as a skin-care active.
Is BHA clean?
It has significant clean-beauty friction because several retailer and brand standards restrict it over endocrine-activity and carcinogenicity questions in higher-exposure models. Cosmetic use is typically low, but it is still a frequent restricted-list flag.
Is BHA sustainable?
This material is typically synthetic and petroleum-derived, not a renewable-feedstock ingredient. Its environmental profile is less favorable than many plant-derived or readily biodegradable antioxidants, with persistence concerns in some assessments.
Is BHA COSMOS-approved?
It is not permitted under COSMOS natural or organic standards because it falls outside the standard’s allowed pathways for natural-origin ingredients. From a Green Chemistry view, it scores poorly on renewable sourcing and end-of-life profile, even though it is effective at very low levels.
How does BHA work chemically?
The molecule is a hindered phenolic ether antioxidant that donates hydrogen to lipid radicals, helping interrupt oxidative chain reactions in fats and fragrance materials. It is commonly used at very low levels, often about 0.005% to 0.02%, and performs best in anhydrous or oil-rich systems where oxidation control is needed.
Last updated 2026-05-13