how to use it Apply 2B for Face once every day. After cleansing, apply 2 drops on each cheek and the chin. Massage upward gently into the skin until fully absorbed. Caution: To keep the product activity, please finish the product within 1 month after the vial is opened. Do not use 2B For Face on areas of wounded, broken, and burned skin. The product is NOT EDIBLE. Please run a sensitivity test for sensitive skin types. If redness, swollen, itch or irritation develops, please stop using the product and consult with your dermatological doctors. The product has a shelf life of 2-years when kept unopened at room temperature. Pregnant women and children under 12 are NOT recommended to use this product.