Neutrogena Ultra-Thin Acne Blemish Patches come in different sizes to help flatten the appearance of pimples by removing impurities from acne-prone skin Hydrocolloid acne patches visibly show they're working by turning white as they absorb fluid and help prevent popped pimples from being touched, picked, or worsened Acne Patches are perfect for targeting t-zone breakouts like forehead, nose, and chin; large triangles cover cheeks, jawline, back, and chest Developed by dermatologists, these ultra-thin, non-medicated acne patches visibly reduce pimple size overnight For best results, apply to clean, dry skin and leave on for 8 hours or overnight. Remove by gently lifting one corner and stretching along the skin to release