Salicylic acid acne treatment. Portable - get to a pimple as soon as you feel it start. Starts clearing pimples in 4 hours. 90+ uses. Get rid of frustrating, untimely pimples with this maximum-strength acne treatment pen that can be used throughout the day - anytime, anywhere. It's clinically proven to clear pimples fast. It even helps stop a pimple from fully forming when treated at the first sign. In as little as 4 hours, it's clinically shown to: reduce pimple size; reduce pimple swelling; reduce pimple redness. Continues to work hard on pimples when used throughout the day. Designed for precision, no-mess use on-the-go. Formula does not over-dry skin. Made in USA of domestic and foreign components.