E
Hydroquinone
Hydroquinone
This letter is an internal editorial classification of the ingredient, not a clinical evidence rating. It does not certify safety, suitability for your skin or the SPF of a finished product.
activeEU restricted
The most effective depigmenting agent known, but banned in EU cosmetics due to cytotoxicity and safety concerns. Only available by prescription in most countries.
Benefits
Most effective skin lightener (prescription)
Risks & concerns
EU-banned in cosmetics. Cytotoxic. Can cause ochronosis (paradoxical darkening) with prolonged use.
Avoid if
Dry skinOily skinCombination skinSensitive skinNormal skin
Targets these concerns
Technical details
- INCI name
- Hydroquinone
- CAS Number
- 123-31-9
- Category
- active
- Comedogenic rating
- 0/5