Brass off custom neutralization hair mask is a color depositing formula that neutralizes brassy tones'. '.strtoupper('h')ighly pigmented blue violet tones that neutralize and eliminate brassy orange tones to maintain lightened hair'. '.strtoupper('i')t also helps repair and protect fragile hair'. '.strtoupper('p')rotected color'. '.strtoupper('p')rofessional care'. '.strtoupper('g')et up to 10x less breakage with matrix's most neutralizing system yet key benefits highly pigmented blue violet pigments to effectively reduce brassy orange tones ultra rich formula allows targeted application helps repair and protect fragile hair shine enhancing ingredients help hair reflect light to give hair luster suitable for colour treated and natural hair when using the brass off system of shampoo, mask and leave in cream vs'. '.strtoupper('n')on conditioning shampoo'. '.strtoupper('t')o use after using brass off shampoo, apply to wet hair'. '.strtoupper('a')void the scalp area and leave on for 5 10 minutes depending on the desired neutralisation'. '.strtoupper('r')inse and follow with blonde threesome leave in cream'. '.strtoupper('i')t is not recommended to use the mask everyday because of it's highly pigmented formula.