Benzoyl peroxide is a type of medicine known as a keratolytic. This means that it works by breaking down keratin, a protein which forms part of the skin structure.

• 过氧化物苯甲酰是一种所知的用于促进角质层脱落的药品.；这意味着它能使皮肤结构中的一种蛋白质:角蛋白脱落