Garnier Nutrisse 2.6 Ultra Dark Cherry Red Permanent Hair Dye. Visit the Garnier Website to instantly see how this shade would look on you. More info at: www.garnier.co.uk. www.becoloursafe.com. Garnier Nutrisse Ultra Color Vibrant Intense Permanent hair dye,Up to 8 weeks of vibrant and intense colour,The 5 oils conditioner restores hair to reveal up to 3x shinier hair and up to 3x stronger hair,Nourished hair means intense colour,Works on All hair textures,Visible even on dark hair