1,2,4-Trihydroxybenzene

OriginSynthesized from benzene, a basic aromatic hydrocarbon derived from petroleum refining or coal tar sources. Produced through controlled hydroxylation of benzene using oxidation catalysts to add three hydroxyl groups to the benzene ring.

The Expert Panel for Cosmetic Ingredient Safety concluded that 1,2,4-Trihydroxybenzene is safe for use as a hair dye ingredient in the present practices of use and concentration described in this safety assessment.

The paper trail

Counts, not a verdict. A listing isn't a study. The trail, you decide.