Rinse away yellow stains and discolouration on the surface on teeth enamel with White Glo’s Purple Tooth Toner Mouthwash. White Glo’s Purple Tooth Toner Technology featuring a specialised combination of red and blue dyes, to make purple colour correctors. These colour correctors counteract yellow stains on teeth enamel. White Glo have developed this technology into a whitening mouthwash format, designed for daily use. Use as a regular mouthwash, with an instant whitening result, concealing yellow stains and leaving your mouth feeling fresh and clean.