Yunth AV Derma Serum, 14 packets New release: December 2, 2024 Brand new, unused Product Description: Retinol & W active ingredients! A gentle retinol※1 serum for daily use. It cares for pores※2 while adding bouncy firmness and refining skin texture. Formulated with W active ingredients, it prevents and improves skin roughness. The viscous texture with low friction penetrates deep into the stratum corneum, leading to moisturized skin. Quasi-drug Sales name: Medicinal VA Serum How to use: Use after washing your face, before or after applying lotion. Can be used both morning and night, but the official recommendation is to use it at night. One packet is individually packaged, making it hygienic.