Yuka Co., Ltd. manufactures and sells skincare and makeup products using tea extract derived from pesticide-free, organically cultivated tea from Kagoshima Prefecture, which boasts Japan’s highest catechin content. The products utilize gentle, pesticide-free cultivated tea as their base and specialize in technology that protects the skin’s sebum barrier and enhances moisturizing effects. Key products include facial cleansing soap, medicated spot treatment serum, the all-in-one serum ‘The Serum’, spot treatment cream, eye cream, and catechin body soap. These are effective against sun damage, dark spots, and fine lines.