Advantages of Salicylic Acid For AcneSalicylic acid is a vital component in many 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 Dow