Duxelle coloration , a top-of-the-range coloration in a 100 ml tube for optimal results. The Couleur is the new range of professional permanent hair colors from Ducastel made in France. The Color has an Aloe Vera based formula which softens and hydrates the hair. The Color range of colors consists of 66 shades that will allow you to easily create endless colors. These colorings are done with a mixture of 1 + 1.15, which will even allow you to save money!