Washing your face just once is not enough. For years, I’ve been washing my face twice, back-to-back. One round of cleansing just never felt like it could sufficiently remove my makeup and clean my pores. Turns out, a two-step cleansing routine—specifically, an oil-based cleanser followed by water-based cleanser—is a K-beauty hallmark. Eventually, I too discovered the makeup-dissolving magic of oil cleansers, and needed zero convincing when it came to adding one to my skincare routine in addition to a foaming cleanser, instead of just doing two rounds of foaming cleanser one right after the other.