hydroquinone and its Impurities
Hydroquinone topical is used to lighten areas of darkened skin such as freckles, age spots, melasma, or chloasma. Hydroquinone also known as benzene-1,4-diol or quinol. Reference standards of Hydroquinone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
