Cosrx Acne Pimple Master Patch x 24The Original Pimple Patch: This first generation hydrocolloid patch is loved for its effectiveness and has been highly praised in the media as a go to acne solution. Key Benefits Fast and easy acne treatment with hydrocolloid technology Protects pimples from bacteria and speeds up healing Absorbs pus and oil without the need for squeezing Prevents scarring and irritation Three sizes for different blemish types: S (10 dots), M (5 dots), L (9 dots) How