COSRX's best-selling hydrocolloid acne patches that cover and protect blemishes while drawing out fluid and impurities overnight. The patch absorbs exudate and turns from clear to opaque as it works, creating a moist environment that speeds healing and helps prevent picking and scarring. Each pack contains 24 patches in three sizes. 24 hydrocolloid patches: 9 large, 5 medium, 10 small dots Absorbs fluid and impurities from blemishes overnight Protects spots and helps prevent picking and further breakouts Turns opaque as it absorbs, signalling it is working Thin and discreet; apply to clean, dry skin before treatments Ingredients: Hydrocolloid dressing (cellulose gum, polyisobutylene, styrene-isoprene-styrene block copolymer and related adhesive components). Full component list per packaging.