The Chok Chok Green Tea Watery Essence is formulated with more than 80% green tea extract and helps quench skin's thirst as it delivers moisture deep into the skin. Our Chok Chok collection features ChungTaeJeon, a special fermented Korean green tea with more than a thousand years of history. ChungTaeJeon, the world's first naturally fermented green tea, is fermented through sunlight for more than 365 days and provides gentle yet intense moisture and hydration that lasts.