THE WHOO Bichup Treatment Essence Danha Edition Special Set New in Box Expiration: 2028 The History of Whoo’s “Bichup Treatment Essence” is a first-step anti-aging essence formulated with NAD+ to calm the skin and strengthen its natural protective barrier. The product is a first-step pre-antiaging treatment designed to strengthen the skin’s natural protective barrier, laying the groundwork for healthy skin. Enriched with Repair Active™, the “Bichup Treatment Essence” effectively provides soothing relief for the skin by enhancing the skin’s barrier function and protecting it from external environmental aggressors. Set included: Bichup Treatment Essence 50ml Toner 20ml Emulsion 20ml Cleansing Foam 40ml Danha Hand Fan