Frownies Facial Patches Non-invasive wrinkle smoothers for forehead and between eyes a couple patches were used, but the rest are packaged and brand new, never used Frownies Facial Patches are non-invasive wrinkle reducing patches worn while you sleep or for a minimum of three hours. Frownies Facial Patches act to form a cast, holding the facial muscles flat, preventing expressions that cause wrinkles. Frownies Facial Patches also release tension in the muscles which helps to smooth existing lines.