Combat unwarranted brassy tones with the Matrix Total Results Exclusive So Silver Toning Hair Mask. Designed to neutralise dull, yellow undertones in colour-treated tresses, this hair treatment preserves the quality of your blonde while enhancing a luminous, high-gloss finish. The hair mask is ideal for levels 7 and above, providing locks with an effective toning treatment that won’t strip the hair of its natural moisture. To be applied to your mane after shampooing, this Matrix haircare remedy restores lustreless blondes to their rightful vibrancy, adding a brighter, more radiant quality to defend against undesirable warmth or brassiness. The hair mask can also be used to amplify silver or grey tones in the hair, whether these be natural or coloured.