This is KISO's "NIACINAMIDE SERUM (Niacinamide Essence NA) No.052". Condition: Used (approximately 80% remaining) Please refer to the 5th and 6th photos for the remaining amount. Please purchase only if you understand that this is a used item. I am also selling other KISO products! Shipping will be via Yu-Packet Post Mini (Yu-Yu Mercari). Please note that the item will be simply packaged to fit the size requirements. If you are considering purchasing, please read my profile.