How to Use STEP01-After washing your face with a real water cleansing foam, use toner to soften your skin. STEP02-Take an appropriate amount of Vita Snow Essence and spread it evenly over your face like a massage. STEP03-Take out the black light mask sheet and apply it to fit your face. After about 10 to 20 minutes, remove the sheet and pat it gently on the skin for absorption.