A further step in gorgeous colour & brightness, the Dualsenses Color Extra Rich range uses innovative Luminescine technology to convert UV light into visible light, this in turn increases the amount of light your hair reflects creating bolder & brighter colour. The Brilliance conditioner increases hair luminosity whilst providing a detangling effect. For Thick to Coarse hair. To use: Apply to shampooed hair, leave on for 2-3 minutes & rinse thoroughly.