Hydroquinone, which I talk about all the time, is a topical skin-lightening agent that is used to treat various forms of hyperpigmentation, including age spots, melasma, and post-inflammatory hyperpigmentation. Hydroquinone is a potent melanin inhibitor that works by inhibiting the activity of tyrosinase and reducing the production of melanin. However, the use of hydroquinone on darker...
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