Clairol Root Touch-Up Permanent Hair Color Creme, 4 Dark Brown, 1 Application, Hair Dye. Nothing beats that freshly colored look. We know you want to get the most mileage out of your hair color, and with Clairol Root Touch-Up, it's easy to extend the life of color. Nice 'n Easy Root Touch-Up takes only 10 minutes to apply and lasts up to three weeks. That means touch-proof, sweat-proof color that seamlessly blends with any shade, even salon-colored hair. Why settle for showing roots? Get the permanent root solution with Clairol Root Touch-Up. Clairol Root Touch-Up Permanent Hair Color Creme, 4 Dark Brown, 1 Application, Hair Dye: * The #1 permanent root solution for long-lasting, natural-looking roots * Touch-Up takes only 10 minutes and lasts up to 3 weeks * Seamlessly blends with leading shades, even salon color * Among leading retail permanent shades and pre-formulated salon color * Gives you permanent, touch-proof, sweat-proof roots