For incredible vibrancy, you need Garnier Olia Permanent Hair Colour. Powered by natural oils instead of ammonia, this unique formula delivers maximum colour performance and excellent grey coverage. It propels colourants deep inside the hair, for a vivid shade that lasts and lasts. The cream texture is easy to apply and offers optimal scalp comfort with no ammonia smell - reinventing the home colouring experience. Best of all, Olia visibly improves the look of your locks, as the oils help to reverse roughness and dullness for softer, shinier, bouncier hair.