Benefits of Salicylic Acid For AcneSalicylic acid is a crucial ingredient in lots of nonprescription acne treatments. It dries up blackheads and whiteheads as well as minimizing excess oil. It can also aid fading acne scars, although it might take a while.Like benzoyl peroxide, it works by unplugging skin pores. But it does so differently.1. Breaks