Blemishes Beware! This spot treatment is your little night-time helper that fights blemishes while you sleep. A hefty dose of salicylic acid goes deep into your skin help to remove oil and clear the look of skin. The silicone tip allows you to carefully spread a thin layer on problem areas, without touching or exacerbating the blemish. In as little as 2 hours, blemishes can appear smaller. Leave on overnight for best results, and then peel away.