Bigen Permanent Powder Hair Color -6g/0.21oz -For all gray or partially gray hair. -Contains no ammonia -Requires no hydrogen peroxide -Easy to use, just add water -Covers gray hair -Made in Japan No heavy masking odor. Economical,you can use as much Bigen powder as you need. The rest can be kept for the next application. Available in all colors. PLease call 9052394448