Advantages of Salicylic Acid For AcneSalicylic acid is a vital component in several nonprescription acne treatments. It runs out blackheads and whiteheads as well as minimizing excess oil. It can also help fading acne marks, although it may take a while.Like benzoyl peroxide, it works by unplugging skin pores. But it does so in a different way.1. B