Take the intelligent approach to revitalising lifeless blondes, dull greys and unsightly silver locks with the potent power of IQ Silverising Twin Pack. These sulphate-free products have been formulated with the illuminating power of the Amaranth flower to banish brassiness for a brighter, more beautiful finish. Perfect for grey, white or blonde tones and gentle enough to condition without stripping the hair colour, and will leave locks feeling soft and silky with a striking added sheen.