CHOLESTON FIGHTS THE 7 EFFECTS OF DAMAGED HAIR! • Koleston's 100% Intense colors combined with Intensive Moisturizing effect. • Providing permanent colors for up to 8 weeks, Koleston deeply moisturizes and cares the hair, allowing you to achieve dazzling bright colors thanks to its renewed Intense Shine Care cure. • You can refresh your hair color like the first day after dyeing with the unique 15th day color activating cream, only available from Koleston.