The Goldwell Dualsenses Silver Shampoo offers the next generation of colour luminosity, working to neutralise yellow tones & brassiness with an instant cooling effect. Ideal for grey hair & ash blondes, the gentle treatment sweeps away dirt & oil with a colour-safe Fade Stop Formula to minimise dullness & fading. The advanced Luminescine technology actively transforms non-visible UV light into visible light, resulting in superb colour vitality & mirror-like shine to enhance tone & depth.