Instant purchase OK! Brand new, unopened!! ・DUO The Black Repair Serum Beauty Serum 32mL Set of 2 boxes A beauty serum that uses the unique ingredient Ferment Bio BB to balance sebum and lead to beautiful skin. The serum absorbs into the skin as if drawn in, and leaves a smooth touch with each use while feeling refreshing. The Inner Moist formula, which fills the stratum corneum with moisture, softens rough and bumpy skin with each use. How to use: After washing your face in the morning and evening, take an appropriate amount (1-2 droppers full) into your hand before applying lotion and blend it into your skin. Then, follow your usual skincare routine.