L'Oréal Paris Prodigy 1.0 Black is an ammonia-free permanent hair color with micro-oil technology, providing rich, natural color and full gray coverage. It enhances hair texture and shine, lasting up to 8 weeks. Key Features Ammonia-free permanent hair color Micro-oil technology for smooth hair 100% gray coverage Intense shine lasting up to 8 weeks Micro-oil technology, Argan oil, Safflower oil.L'Oréal Paris: Innovators in beauty, offering a wide range of haircare and skincare solutions.Apply to roots on dry, unwashed hair, then spread through lengths and ends. Massage and leave for 30 minutes.Keep out of reach of children and avoid contact with eyes.