OH DAISEY INGREDIENT LIBRARY
Hydroquinone
Effective for treating melasma and hyperpigmentation under medical supervision. Potential risks include skin irritation and exogenous ochronosis with prolonged use. Cosmetic use is restricted or banned in several countries.
OH DAISEY VERDICT
Avoid
Evidence level: Strong
Why Oh Daisey rates it this way
Effective for treating melasma and hyperpigmentation under medical supervision. Potential risks include skin irritation and exogenous ochronosis with prolonged use. Cosmetic use is restricted or banned in several countries.
What it does
Reduces melanin production to lighten hyperpigmentation
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.
Sources
- 1 FDA, SCCS, ECHA, PubMed