LOREAL PURE CLAY GLOW MASK, BRIGHTENS, 3 PURE CLAYS + RED ALGAE 50ml NEW. Product Information For the first time, the L'Oréal Paris laboratories have selected three pure clays and combined them with red algae extract, known for its brightening properties. The beaded, creamy texture illuminates tone by exfoliating the skin's surface without drying it out. A powerful blend of 3 pure clays Kaolin A highly effective natural clay, known to absorb impurities and excess sebum. Montmorillonite Rich in minerals, a clay recognised for helping to eliminate imperfections. Ghassoul A pure clay highly concentrated in minerals renowned to help clarify complexion.