Brand New Lot of 5 4- regular 1-advanced The product is a lot of 5 brand new in box Sulwhasoo serums, with a total volume of 8ml each. It includes 4 regular serums and 1 advanced serum, designed for hydration and wrinkle reduction. Made in Korea, Republic of, these day and night treatments are suitable for all skin types and are aimed at women. With an expiration date of 2026, this facial serum is a valuable addition to any skincare regimen.