As part of one Wella's demi-permanent hair colour ranges, Color Touch, Wella Color Touch Hair Colour 3/66 Dark Intense Violet Brown offers colour perfection with limitless shine. The outstanding colour and shine results are combined with 100% grey coverage to give an unbeatable hair colourant.Wella Color Touch Hair Colour 3/66 Dark Intense Violet Brown works so amazingly well due to its formula's use of Wella's Light2Color Complex. This complex operates by depositing an elegant mix of 3 different types of light-reflecting colour ingredients into the fibre of the hair shaft. Oxidative colourants, partly penetrates the hair's fibre for lasting colour richness. Direct dyes deposit in the hair's cuticle for supreme shine and healthy colour. Glimmer pigments, with highly reflective crystal structure, infuse shimmer and light reflection into the hair. The end results are astonishing with the ultra-high levels of shine waving goodbye to monotonous, lifeless shades of hair colour.When using Wella Color Touch Hair Colour 3/66 Dark Intense Violet Brown please consult instructions, the Wella website or a professional for the best results. Ask your professional hairdresser for an in-depth colour consultation to help determine your perfect shade.