NCIt definition : Produced as an inhibitor, an antioxidant, and an intermediate in the synthesis of
dyes, motor fuels, and oils; in photographic processing; and naturally in certain
plant species, Hydroquinone is a phenol derivative with antioxidant properties that
can cause toxicity in several organs, notably the kidney. Used as a topical treatment
for skin hyperpigmentation and in various cosmetic products, it is metabolized mainly
to glutathione conjugates and forms mutagenic DNA adducts in in-vitro systems. (NCI04);