To use, mix equal parts of the colourant and the developer in a plastic or a glass bowl and apply the mixture to your hair with a brush on dry, unwashed hair. Leave on for 30 minutes and rinse with water. Apply post-colour-care conditioner (provided in the kit) to the hair and rinse to reveal shiny, rich hair colour. For maximum colour highlights, leave on for one hour or more. Rinse with water. Post-Colour Care: We recommend using a colour protect shampoo and conditioner for long-lasting colour. Composition Contains Almond Oil & Black Tea extracts to give natural-looking Colour that lasts for 6 weeks. Features , Oil Enriched Cream Hair Colour. , No Mess works in 15 minutes, non-drip cream. , No Roughness maintains softness, smoothness.