SYOSS Oleo Intense -permanent oil coloration with activating oil booster, without ammonia Discover Syoss oleo intense, the permanent oil coloration in professional-quality - tested and developed by Hairstylists and colorists. The specially developed formula with activating oil booster optimizes the color result - for maximum colour intensity and durability, with professional grey coverage. The unique non-dripping oil-in-cream formula without ammonia provides the hair with an extra boost of care - for up to 50% gepflegteres, more powerful and visibly healthy looking hair with up to 90% more shine The result: up to 50% more care, maximum colour intensity & durability, up to 90% more shine, as well as professional grey coverage.Syoss