With one of the highest percentages of PURE Vitamin C on the market, IOPEs Gluta Vitamin C Brightening Serum contains 25% pure Vitamin C infused with Glutathione that exfoliates dead skin cells, Review: IOPE Gluta Vitamin C Brightening Serum What's in my jar IOPE Bio Conditioning Essence with Gluta Vitamin C Martinique Ubuy IOPE Gluta Vitamin C Brightening Serum Review 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