•Pick, Pop, Press - Pick your hair color cartridge. Pop it into the device sold separately Press for color as easy as brushing your hair •Brilliant Permanent Hair Color - 20 expertly crafted shades with long-lasting, 100 percent gray coverage deliver high-shine color results •Multi-Use Color Cartridge - 1 cartridge equals up to 3 applications, 3 root touch-ups. Use, reuse, retouch •Nourishing, Hydrating Formulas - Up to 2x less breakage with our After Color Conditioner compared to uncolored hair. Free of Ammonia, Silicones, Parabens, SLS, SLES, and Phthalates Only L’Oreal Paris, the inventor of permanent hair color, could reinvent it. Introducing Colorsonic, the next generation of at-home hair color, the best color of your life at the press of a button. How it works: Pick your shade, pop it in the device, & press for color. Colorsonic makes hair coloring easier by automatically mixing and depositing formula right at the root to deliver long-lasting salon inspired hair color at home. The device parts and saturates every hair strand and distributes color evenly, even in hard-to-reach areas. The multi-use hair color cartridge delivers up to 3 applications per cartridge (3 root touch ups or 1 full head application). What you don’t use, you can save for the next time. Pick your hair color cartridge from our palette of brillant shades. Pop the cartridge in the device. Press for color as easy as brushing your hair. Check out our how-to videos and the instructio