Just 5 Women's Five Minute Permanent Hair Color in the shade J-50 Jet Black is a convenient and gentle way to cover your gray hair. This ammonia-free formula blends shades of your natural color into the gray, providing seamless coverage. The built-in conditioners and super-rich after conditioners protect and revitalize your hair, leaving it with a brighter shine and added body and manageability. This long-lasting hair color lasts up to 6 weeks, even with regular shampooing, and it won't wash out or fade. Plus, it's gentle enough to use a day after relaxing or straightening your hair. Achieve beautiful, vibrant hair in just 5 minutes with Just 5 Women's Five Minute Permanent Hair Color.