Resorcinol
Notable concerns
INCI · ResorcinolCAS 108-46-3
Also known as: m-Dihydroxybenzene
ExfoliantPreservative
In plain language
An antiseptic and keratolytic compound historically used in chemical peels and acne treatments to break down rough, hardened skin.
A known skin sensitizer and suspected endocrine disruptor, heavily restricted in modern formulations.
Where it can be sold
Simplified regulatory status by market — for guidance, not compliance advice.
European UnionRestricted
Max 0.5% in hair lotions and shampoos; max 1.25% in hair dyes. Often accompanied by strong label warnings.