Neutrogena Stubborn Acne Ultra-Thin Blemish Patches remove impurities from skin to help popped pimples look smaller flatter in just one use. During clinical testing, over 90% saw flatter looking pimples by the next day. Ideal for acne-prone skin, these hydrocolloid blemish patches from a dermatologist-recommended brand are easy to use will start to turn white as they absorb fluids to visibly show they're working. The ultra-thin, non-medicated blemish patches provide an optimal healing environment to help protect pimples from being picked. The allergy-tested, fluid-absorbing patches are perfectly sized to target single pimples are ideal for use on small facial blemishes along the chin, nose and forehead.