Matrix Hair Colour - SoColor 5NA Medium Brown Neutral Ash (85g) Delivering long lasting colour and brilliant shine, the professional Matrix SoColour range has amazing grey coverage. Formulated with Cera-Oil, a conditioning complex containing Jojoba Oil, Polymers and Ceramide restores, nourishes and conditions hair. Features Long lasting vibrant colour Adds shine Ultimate grey coverage Cera-Oil conditioning complex, restores, nourishes and conditions hair Please note: This product must be mixed with a developer or peroxide before applying to the hair (sold separately).