Cosrx Ac Collection Acne Patch Is Designed To Target And Treat Individual Acne Blemishes. These Transparent Patches Adhere To The Skin, Creating A Protective Barrier That Helps Reduce The Risk Of Infection And Further Irritation. Infused With Centella Asiatica, The Patches Contribute To Soothing And Calming The Affected Area. The 26-Patch Set Includes Various Sizes To Accommodate Different Blemish Sizes. Simply Apply A Patch To Clean, Dry Skin And Leave It On Overnight Or Throughout The Day For Effective Spot Treatment.