Ingredients in over-the-counter soaps and lotions can do the trick for some skin. Benzoyl peroxide kills off bacteria, while salycic acid and sulphur break down whiteheads and blackheads.

• 对于一些类型的皮肤的人来讲,作为非处方药出售的肥皂和洗液可能会有用。过氧化苯甲酸可以杀灭细菌,salycic acid和硫磺都可以消除粟疹粒和黑头粉刺。