Asaya serum featuring 10% Niacinamide and 1% Alpha Arbutin. This serum minimizes pores, balances sebum, and helps fade blemishes. Contains Niacinamide, Alpha Arbutin, Zinc, and Tri-Peptides. A great addition to your skincare routine! the serum is 60% used so if you want to buy the new bottle so you use this a sample product. it will last long for approximately 17-18 days.