About hydroquinone + usp
Topical skin-lightening agent
Used for
- Fades dark patches from melasma, age spots, freckles, or acne marks.
Usual adult dose
Apply a thin layer to affected skin twice daily; follow product directions.
Common side effects
- Redness, dryness, burning, or itching
- Rarely, blue-black skin discoloration with prolonged use
Important warnings
- For external use only; avoid eyes, lips, and broken skin.
- Sun exposure can worsen darkening; use sun protection.
- Stop if severe irritation occurs; prolonged use may cause discoloration.
- Avoid use on large areas or for extended periods without medical guidance.
Pregnancy
Safety is not well established; use during pregnancy only if a clinician recommends it.
Breastfeeding
Safety is not well established; avoid applying to the breast or areas contacting the infant.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.