Just 5 Permanent Hair Color in J-50 Jet Black is a versatile hair dye that delivers intensely dark and long-lasting color to your hair. Formulated to cover gray hair, this hair color offers a deep, jet-black shade that adds a bold and dramatic look to your locks. The easy-to-use application process ensures even coverage and consistent results. Say goodbye to grays and hello to vibrant and radiant black hair with Just 5 Permanent Hair Color in J-50 Jet Black. Not just for black-haired people, it is also suited for people with dark brown hair.