Highly pigmented blue-violet tones neutralise & eliminate brassy/orange tones to maintain lightened hair. Helps repair & protect fragile hair. Protected Colour. Professional Care. Get Up to ten time less breakage with Matrix's most neutralising system yet. To use: After using Brass Off shampoo, apply to wet hair. Avoid scalp area & leave on for 5-10 minutes depending on desired neutralisation. Rinse & follow with Blonde Threesome leave-in cream.