Nice 'n Easy believes that hair looks its best when it?s natural-looking. To achieve this, this colour uses Colour Blend Technology which contains multi-tonal hair colour. You'll get get ultimate natural looking colour with layers of delicate tones and highlights. Layers cool tones and minimises red/orange undertones. For optimal results, use on medium blonde to medium brown hair. On grey hair, colour appears lighter than non-grey for highlighted effect. On natural red hair, colour gives a lighter red result. Will it cover my greys? Yes. Nice 'n Easy promises 100% grey coverage even on your toughest greys. How long will my colour last? Nice 'n Easy's exclusive ColourSeal Conditioning Gloss, designed for brilliant blondes, adds intense shine, and helps seal in beautiful, natural looking colour for up to eight weeks.How does it work? Clairol's exclusive Colour Blend Technology gives you a pigment-rich base layered with contouring highlights for our most natural looking colour ever. The result is colour that is truly yours.Contains ColourSeal GlossDesigned to be used weekly during the six-week colouring cycle, ColourSeal Gloss preserves your beautiful hair colour appearance and actually helps to prevent colour from fading. It should first be applied after initial hair colour application, and repeated weekly to help keep your colour looking vibrant.