Clean environment, with volcanic soil and bedrock water, makes Jeju green tea special. In spring, many travelers enjoy watching its first harvest of the year in Jeju Island. Jeju Island is one of four famous major tea growing regions in Korea. Many of scientific studies reported health benefits of Camellia sinensis, including anti-oxidant, anti-inflammatory effects, anti-microbial effects and wound healing activities. Through GNS`s in vitro tests, it was confirmed that Jeju Green Tea Extract has anti-inflammatory, anti-oxidant and skin brightening effect.