Monobenzone is used as a topical freckle agent to treat hyperpigmentation, such as various pigmentation spots, age spots, melanoma, etc., with obvious effects.

Monobenzone is a decolorizing agent. Its function is to increase the elimination of melanin (pigment molecule) in skin cells.Monobenzone (for skin) is used to permanently lighten the skin of patients with leukoplakia.