Instant purchase is OK. Price reduction is not available. Selling individual items is not available. Aujua DIORUM Engage Serum, set of 2 These are genuine, new, and unused products. To protect the salon, the QR code on the outer box will be cut off before shipping. I will answer your questions as thoroughly as possible, so please ask if you have any questions before purchasing. Returns and exchanges are not accepted after purchase. Thank you.