Just For Men Shampoo-In Color, H-37 Medium Red Brown

Patented gray target technology formula blends with your original hair color for professional results.Choose from 15 different shades ranging from sandy blond to jet black.When in doubt or unsure of which to choose, always go with the lighter shade. Includes keratin, olive oil and vitamin E but no ammonia for stronger, healthier-looking hairLasts up to 8 weeks until the gray grows back.Pour color base into applicator bottle. Shake & apply. Works in 5 easy minutes. Follow all instructions on the enclosed leaflet.Perform a skin allergy test 48 hours before use, and always use the gloves provided to avoid staining