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Chemical Formula:



Hydroquinone inhibits melanin production when applied to the skin. The effect is reversible by exposure to ultraviolet light.


Hydroquinone in 2% solutions is used in many skin lightening greams and gels to remove freckles, age spots, and other hyperpigmented areas of the skin.

Since sunlight reverses the effect, a sunscreen is usually mixed into the preparation.

hydroquinone: InChI=1/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H

By Simon Quellen Field
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