Hydroquinone is a topical skin-lightening agent used to reduce hyperpigmentation, such as age spots, freckles, melasma, and post-inflammatory hyperpigmentation. It works by inhibiting the enzyme tyros...
Hydroquinone is a topical skin-lightening agent used to reduce hyperpigmentation, such as age spots, freckles, melasma, and post-inflammatory hyperpigmentation. It works by inhibiting the enzyme tyrosinase, which is involved in the production of melanin.
Key Information
Outside Body Harmful Score
Common Dosage
2-4% topical cream or solution, applied once or twice daily.
Source Type
synthetic
Production Process
Synthesized industrially by several routes, including oxidation of aniline followed by reduction, or by hydroxylation of phenol with hydrogen peroxide.
Use Type
Outside BodyPotential Benefits
Hyperpigmentation reduction lightens or evens out skin tone in areas with excessive melanin production by targeting melanin synthesis, transfer, or removal. Treatments involve topical agents, procedures, and sun protection.
Possible Side Effects
Topical application can cause skin irritation, manifesting as redness, itching, and other symptoms. Severity varies based on individual factors and exposure, usually resolving after stopping use.
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