Syoss Oleo Intense is our first permanent color activated by oils: the specially designed formula is enriched with an activating oil booster that maximizes the color process, for a superior and long-lasting color intensity with a 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 nourished, stronger and healthy looking hair and up to 90% more shine. Suitable for light blond to medium blond hair.