T-Butyl Benzoyl Peroxide
INCI: T-BUTYL BENZOYL PEROXIDE
Reviewed by Rosie · Last updated 18 Aug 2026
What Is T-Butyl Benzoyl Peroxide?
T-Butyl Benzoyl Peroxide (INCI: T-BUTYL BENZOYL PEROXIDE) is a cosmetic ingredient listed in the EU CosIng inventory. Benzenecarboperoxoic Acid, 1,1,-Dimethylethyl Ester; tert-butyl perbenzoate.
Its declared cosmetic function is uv absorber.
Source: European Commission CosIng inventory.
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