ROK- Biotech is developing natural materials for functional cosmetics and its own technology, and is composed of researchers from the master's and doctorate's in life science to develop functional materials and products by securing expertise. Its brand, M-KIN, has launched a set of cleansers, serums, creams, mask packs, hand creams, ampoule, and creams to study the efficacy of herbal natural products and its constant exploration and belief in cosmetics.