Another common treatment is salicylic acid, which doesn't kill the bacteria, but stops them from replicating.

另一常用的药物水杨酸，它不会杀灭细，能阻止细繁殖。

About 2,500 years ago, the Greek physician Hippocrates, father of all doctors, made a juice from a tree bark containing salicylic acid for the same effect.

大约2500年前，希腊医师希波克拉底，也就医药之父，用一含有水杨酸的的皮做成一汁液以起到相同的效果。

Aspirin, for example, was derived in the 19th century from salicylic acid, a long-time remedy for pains and fever found in plants like willow and meadowsweet.

比如，阿司匹林19世纪从水杨酸提取出来的，长期以来这药物被用来治愈疼痛发烧，在像柳线菊属植物这样的植物中提取出来的。

Then there are chemical peels, which use compounds like salicylic acid or retinoic acid to perform what's basically a controlled injury to the top layer of skin, killing the top layer of cells.

此外还有化学换肤，用水杨酸或维生素A酸之类的化合物，有控制性地损伤表层皮肤 ，杀死表层皮肤细胞。

Many drugs exist, like benzoyl peroxide, which kills specific acne-causing bacteria, salicylic acid, which helps to remove dead skin blockages, retinoids, which reduce sebum production, and a variety of others —though some drugs can have severe side effects.

目前有许多药物，像过氧化苯甲酰，那能消灭特定的致痘细，水杨酸，有助去除死皮造成的阻塞，维他命 A 酸，那能减少皮脂生成，还有其它许多药物－－不过有些药物可能会造成严重副作用。