Craving amazing Niacinamide face masks? Look no further! These are incredibly popular in Japan & were purchased from Donki. 30 pack of sheet masks. NWT! Niacinamide stimulates collagen and keratin synthesis, which helps in maintaining healthy skin cells by increasing skin elasticity. Niacinamide acts as a humectant and antioxidant that helps lighten dark spots, reduce pore size over time, treat hyperpigmentation, redness, breakouts, and many skin conditions. Moisturized & radiant skin await you! If you have any questions, feel free to comment below. I ship within 48hrs (excluding Sundays)!