Revitalise blonde tresses with the goldwell dualsenses blonde and highlights anti-yellow shampoo; a transformative treatment to refresh colour and neutralise brassy tones.the ultra-lightweight formulation features the unique, super gentle fadestopfromula, which effectively counteracts colour fading and dullness, while sweeping away daily dirt and product build-up.an advanced luminescine technology and microprotec complex work in tandem to reflect non-visible uv light into visible light, creating instant shine refraction and brilliant lustre. hair is left feeling clean and fresh with built-in colour defence and a golden hue that lasts.