A set of VC serum and toner that combines whitening and prevents skin irritation. - Brand: Yunth - Product Name: Pure VC Whitening Serum - Product Name: Pure VC Whitening Toner - Contents: 1ml x 28 packets (serum), 120ml (toner) - Features: Whitening x Prevents skin irritation I have a subscription, but I still have some left, so this is completely unopened and brand new. Purchase date → July 2025 The serum has a 30-second usage period, highly recommended.