PRODUCT FEATURES: The mask helps brighten skin tone and effectively inhibit melanin production while replenishing moisture and nutrients to the skin. Sodium Hyaluronate and other moisturizing ingredients can nourish the skin, revealing dewy, lustrous and elastic finish. Vitamin B3 refers to Niacinamide in the \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 \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.