Benefits of Salicylic Acid For AcneSalicylic acid is a vital ingredient in many nonprescription acne treatments. It runs out blackheads and whiteheads as well as reducing excess oil. It can also help fading acne scars, although it may take a while.Like benzoyl peroxide, it works by disconnecting skin pores. But it does so in a different way.1. Brea