APLB (short for "A Plus B") is a Korean skincare brand built around the motto "two is greater than one," pairing botanical extracts with active ingredients such as niacinamide, peptides, glutathione, and retinol. It offers face, hair, and body care formulated to support the skin barrier and address concerns like brightening, hydration, and firmness. The brand is carried on Olive Young Global and major K-beauty retail sites.