Ammonia-free permanent color oil-powered ods technology high shine and comfort a professional hair color that combines intense, long-lasting tone with maximum comfort. The inoa technology from l'oréal professionnel is free of ammonia and strong odor and uses an oil-driven system ods that helps the color pigments penetrate evenly into the hair shaft. The result is a deep, uniform color with beautiful shine and a comfortable coloring experience. The shade 4.26 A level 4 medium brown with iridescent, violet reflections and a hint of red depth. The shade creates a sophisticated, cool-brown tone with multidimensional play that can dampen unwanted warmth and add extra intensity and depth to brown tones. Benefits ammonia-free formula with minimal odor for increased comfort. Oil-based ods technology for even penetration and high shine. High coverage even on grey hair. Long-lasting color with rich, multidimensional reflections. Gentle on the hair fiber and leaves the hair soft and shiny. To whom for those who want a medium brown tone with cool, violet undertones and subtle red depth. Suitable for natural, colored or gray hair where a uniform, shiny result is desired. Result an elegant, deep brownish expression with cool violet highlights and a healthy, mirror-like finish. The color appears intense and well-defined with professional, even coverage from root to tip. Note: these are professional colors, which means chemistry, and therefore it is important to have the right informatio...