What is Hydroquinone? Hydroquinone, also known as benzene-1,4-diol, is a commonly used skin-lightening agent used to treat various skin conditions such as hyperpigmentation, melasma, freckles, and age spots. It is a popular active ingredient in many skin care products, including creams, gels, and serums. Hydroquinone works by inhibiting the production of melanin, the pigment […]