Your Cleanser Is Destroying Your Skin Barrier — 5 Best Korean Low-pH Cleansers for 2026
Most Western face washes sit at pH 9–11, stripping your acid mantle twice daily. Korean skincare built an entire cleanser category around low-pH (4.5–5.5) formulas that work with your skin barrier, not against it. The best Korean low-pH cleanser for most skin types is B.PLAIN’s Mung Bean Cleansing Foam; for sensitive or barrier-damaged skin, Zeroid’s ceramide-rich formula is the gold standard.