Our nicotinamide arbutin Moisturizing mask (bag) contains nicotinamide and collagen. It can improve skin tone, brighten the skin and create a uniform and bright complexion. Its usage is very simple: Take out the mask, apply it to your facial skin and leave it on for 15 to 20 minutes to allow the essence to be fully absorbed. Then remove the mask and wash it off with clean water. And it can easily improve the skin condition.