L'Oréal Professionnel Paris Majirel Professional Hair Color now features Odor Trapping Technology, helping reduce ammonia odor while delivering the color performance you love It provides rich, even color from roots to ends, up to 100% grey coverage, up to 3x more shine, and up to 3x softer hair The formula is easy to measure and mix, vegan, and silicone-free for a natural hair feel and long-lasting professional results Features & Benefits:Odor Trapping Technology helps reduce ammonia odor by up to 64% Rich, even color from roots to ends Up to 100% grey hair coverage Up to 3x more shine Up to 3x softer hair Easy measuring and mixing Vegan formula Silicone-free for a natural hair feel Suitable for professional use How to Use:Mix with Majirel Developer at the recommended 1:1 5 ratio Apply using the desired coloring technique, process for the recommended time, then rinse thoroughly