Softsheen-Carson Dark & Natural 5 Minute Shampoo In Permanent Hair Color for Men Men's hair color specially designed for men of color. This moisture-rich formula locks in color and leaves hair soft, manageable, and healthy-looking. Rich, deep color provides natural-looking gray blending coverage with an easy lather in the application that works in 5 minutes and lasts up to 6 weeks, all while conditioning in softness