Benefits of Salicylic Acid For AcneSalicylic acid is a vital ingredient in many nonprescription acne treatments. It dries up blackheads and whiteheads along with lowering excess oil. It can also aid fading acne marks, although it might take a while.Like benzoyl peroxide, it works by unplugging skin pores. However it does so in different ways.1. Bre