Cosrx Acne Pimple Master Patch is a hydrocolloid patch that protects troubled areas from worsening while maintaining optimal skin humidity. The hydrocolloid material speeds up the healing process by extracting impurities and providing ideal hydration levels. Key Benefits: Absorbs Impurities: Draws out gunk and debris from acne spots. Speeds Healing: Accelerates the recovery process. Prevents Scarring: Protects the area to reduce the risk of scarring. Protective Barrier: Shields problematic areas from external factors. How to Use: Cleanse the area around the problem spot. Select a patch size slightly larger than the problem spot. Attach the patch to the spot and leave it on.