Root Erase by ColorSilk -Erases roots and grays for beautiful, seamless color in 10 minutes -Unique ColorSilk Precise Control sponge applicator for drip-free, superior controlNEW! Root Erase by ColorSilk erases away unsightly roots and grays with ease to keep your haircolor looking its best for longer. Only Revlon has the unique Precise Control sponge applicator that works like an eraser to easily glide on hair drip-free, and with superior control so that color can be applied precisely to the root areas. No messy bowls or clumsy brushes. Permanent color blends seamlessly so you can keep your haircolor always looking fresh and beautiful. Ammonia-Free. 100% gray coverage. Available in a range of 12 shades. Matches any brand, even salon color.