Why Pure Medicinal W・Nano Bubble White Lotion 110mL x 1 Nano Bubble White Lotion Refill 110ml x 1 bag A medicinal whitening lotion designed to penetrate deep into the stratum corneum using unique nano-bubble generation technology. Contains tranexamic acid and dipotassium glycyrrhizate as active ingredients, preventing spots and freckles while also providing comprehensive care for rough skin, oily skin, and acne. Use after washing your face in the morning and evening, shaking until bubbles appear, to achieve radiant, translucent skin. Shake well until bubbles form before use.