Aveda Color Viscosity Thicker is a useful thickening agent during the hair coloring process. Formulated with high quality ingredients, Color Viscosity Thickener is perfect when a thicker Hair Color formula is desired. It contains plant oils, including sunflower, castor, and jojoba, that infuse hair with incredible shine for essentially damage-free results. It is a Color resistant to fading and thickens the resolution of the Hair Color and is created with an environmental and social conscience that gives the correct condition to damaged hair.