Hailed by Korean skin care fans as a holy grail product for acne treatment, COSRX Acne Pimple Master Patches protect pimples from secondary infections and further swelling. Available in various sizes, the hydrocolloid acne patch covers the affected area and absorbs excess sebum for easy and effective blemish control. This spot treatment speeds up the healing process of the pimple and helps prevent acne scars. Apply the pimple patch to clean skin before applying any essence or moisturizer.