[Hydrocolloid acne cover protects the irritated area from bacteria while Centella Asiatica Extract heals the acne at the same time. Extremely thin acne patches with tapered edge that are almost invisible when applied on skin. Strong Adhesion Patch: Thin end type patch which strongly adheres to curved area such as jaw line and hair line. Recommended for all skin types (oily dry dehydrated combination sensitive skin) Designed in 3 different sizes (Small Medium Large) to choose from according to the size of the zit / Small (9x13mm) 9ea Medium (11x16mm) 9ea Large (15x23mm) 8ea. Key Ingredients: Hydrocolloid Centella Asiatica Extract COSRX Standards: All COSRX products are formulated with skin-friendly ingredients that alleviate irritated skin. Hypoallergenic Dermatologist tested Animal Testing-FREE Parabens-FREE Sulfates-FREE Phthalates-FREE]