1) Acne treatment 
Stridex (originally spelled Stri-Dex) is an acne treatment and prevention medicine. It comes in the form of pads contained in a plastic tub of fifty-five to ninety pads. Most products in the Stridex line contain as the active ingredient salicylic acid (0.5–2.5%); Stridex `Power Pads`, however, contain instead benzoyl peroxide (2.5%), and were .....