Our Collagen B5 Moisturizing Mask (Bagged) contains Green Tea Extract and Licorice Root. It promotes skin barrier repair, enhances resistance, and protects skin from external damage. Its usage is simple: thoroughly clean your face, take out the mask, apply it on your skin, let it sit for 15-20 minutes for full absorption of essence, remove the mask, and rinse with water. It also improves skin elasticity, tightens skin, and reduces fine lines