Cica + 2% Salicylic Serum and similar serums combine 2 % salicylic acid (a beta-hydroxy acid) with cica (Centella Asiatica) and calming plant-based actives to create a lightweight, oil-free acne treatment serum. This type of product is formulated to penetrate deep into clogged pores, dissolve excess oil and debris, reduce breakouts, and soothe inflammation all while keeping skin balanced and comfortable.