Harvested from fields restricted to natural, pesticide-free cultivation, the green tea used in Organic Green Tea Mask is 100% organic. grown by the Sunakawa Association in Haruno town in the Shizuoka prefecture, the tea is protected from outside pesticides by the surrounding mountains, and the cool weather, helps keep insects naturally away from damaging the green tea leaves. Haruno town is known for its ideal conditions and nutritions green tea.