Clear your complexion with a heart, star or cloud-shaped hydrocolloid patch, formulated by dermatologists in Korea to treat pimples and dark spots. After cleansing, apply one of the small stickers to the affected area and the soothing salicylic acid and witch hazel work overnight to draw out impurities and heal the skin. These Korean beauty acne patches are a pain-free and fun way to calm your breakouts.