A colour brilliance conditioner that instantly detangles hair, creating colour luminosity.enhance the brilliance of your hair with Goldwell dualsenses colour extra rich brilliance conditioner, a nourishing formula that works to revive both colour-treated and non-coloured hair. Promoting salon-fresh colour whilst effortlessly detangling, the conditioner has been developed with built-in colour protection to help prevent fading, and utilises luminescine technology; an innovative system that transforms non-visible uv light into visible light for amplified vibrancy and colour brilliance. Ideal for thick to coarse, the replenishing conditioner will leave tresses looking smooth, glossy and radiant. It's suitable for thick to coarse.