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Avobenzone, a hydroquinone-based sunscreen lotion, is used to lighten the freckles, hyperpigmentations, age spots, melasma and liver spots due to hormonal drugs, skin injury, pregnancy and oral contraceptive pills. Avobenzone reduces the recurrence rate of black spots due to sunlight or ultraviolet light exposure. Avobenzone inhibits the discoloration process by interfering with melanocyte physiology.