PRODUCT FEATURES: Helps slow down skin melanin deposition and brightens skin tone. Sodium Hyaluronate and other moisturizing ingredients can nourish the skin, revealing dewy, lustrous and elastic finish. Vitamin C refers to 3-0-Ethyl Ascorbic Acid in the \ningredient list. \n \nHOW TO USE: \n1. After face cleansing, open the packaging and take out the mask. \n2. Apply the mask onto the face along the forehead; gently press to squeeze out the air to make the mask mould to your face. \n3. Take down the mask after 15-20 minutes. \n4. Gently massage to promote the absorption of serum, or wash with clean water as you need