hydroquinone(redirected from 1,4-benzenediol)
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a topical agent used to bleach hyperpigmented skin.
hydroquinone/hy·dro·quin·one/ (hi″dro-kwĭ-nōn´) the reduced form of quinone, used topically as a skin depigmenting agent.
hydroquinone(hī′drō-kwĭ-nōn′, -kwĭn′ōn′) also
A white crystalline phenol, C6H6O2, used as an antioxidant, photographic developer, stabilizer, and reagent.
a dermatological bleaching agent.
indications It is prescribed to reduce pigmentation of the skin in certain conditions in which an excess of melanin causes hyperpigmentation.
contraindications Sunburn, prickly heat, other irritation of the skin, or known hypersensitivity to this drug prohibits its use.
adverse effects Among the more serious adverse effects are tingling, erythema, burning, and severe inflammation of the skin.
thought at one time to be the toxic component of Xanthium spp., a now discredited view.