Nourishes as it colors for 8 weeks. Instrumental Test.Enriched with 3 oils: Avocado, Olive and Shea ButterRich and long lasting hair colourSilky, shiny hair Up to 100% grey coverageHow to useUsage Instructions: Pour the develop cream and the colouring cream into a bowl. Mix well. Apply the mixture on the roots and spread leftovers to the rest of your hair. Wait 30 minutes. Rinse hair thoroughly then apply conditioner