Syoss Oleo Intense is our first permanent coloring activated by oils: the specially designed formula is enriched with an activating oil booster that maximizes the coloring process, for superior and long lasting color intensity with professional gray coverage. Completely without ammonia, the unique, non-dripping oil-in-cream formula gives the hair an extra nurturing boost. Up to 50% better fed, stronger and healthy looking hair and up to 90% more shine. Suitable for light blond to medium blond hair.