Garnier Color Retouch Hair Color has an ammonia free formula for Root Retouch and Lengths Refresh in just 10 minutes. Delivers up to 100% grey coverage, 4 weeks of long-lasting color with easy shampoo-like application. Compatible with your hair color. Vegan, Cruelty-Free. Root Retouch and Lengths Refresh in 10 minutesUp to 100 percent grey coverageUp to 4 weeks of root coverageChoose your shade. 5 essential shades compatible with your hair colorExperience a stress free, mess free application with our non-dripping formula as easy to apply as shampoo. Ideal amount for 1 application.