Advantages of Salicylic Acid For AcneSalicylic acid is a vital component in several nonprescription acne treatments. It dries up blackheads and whiteheads as well as minimizing excess oil. It can also assist fading acne scars, although it might take a while.Like benzoyl peroxide, it works by unplugging skin pores. But it does so differently.1. Brea