IOPEs Gluta Vitamin C Brightening Serum is an advanced formula that features a powerful blend of 25% pure vitamin C and glutathione to exfoliate dead skin cells and diminish dark spots by 22.68% in IOPE Vitamin C Expert 40% Mask Concentrate YesStyle Amazon.com: IOPE Gluta Vitamin C Suero iluminador 25% de vitamina C pura y 1,000 ppm de glutatin, antienvejecimiento y antioxidante, reduce las manchas oscuras, cuidado de la piel coreano, 0.78 IOPE GLUTA Vitamin C Toning Ampoule 23g IOPE Gluta Vitamin C Toning Ampoule 23g 0.78 fl.oz Brightening Serum + Gift Set High performance Korean skincare brand IOPE has announced the renewal of their iconic "Vitamin C Expert" line. Founded by Amorepacific, IOPE made history in 1998 as the first company in Korea to successfully