Purederm Purifying Cloud Bubble Mask "Hyaluronic Acid", which creates cloud-like rich bubbles when attached to the face, is a wash-off type sheet mask that removes impurities, dead skin cells, and sebum to make brighter and more purified skin. Hyaluronic Acid and Vegan Collagen provide your skin with plenty of moisture and alleviate the stress of the skin. Also, CT complex and BHA remove unnecessary dead skin to brighten and purify your skin tone.