Salicylic acid is a key ingredient in many skincare routines, especially for those dealing with skin concerns such as acne, clogged pores, or excess oil. Used in serum form, salicylic acid becomes a powerful ally in maintaining clear and healthy skin. But how exactly does this serum work, and how should it be applied for the best results? In this article, we explore the benefits of salicylic acid serum and explain how to apply it properly.