Bigen Permanent Powder Hair Color Dye in Rich Medium Brown 56 offers an easy-to-use solution for hair coloring without ammonia. Just mix with plain water for hassle-free application. Its long-lasting, true-to-life color ensures vibrant results. Enjoy the absence of heavy masking odor with this ammonia-free formula. This hair color dye offers a convenient and easy-to-use solution for coloring hair without the use of harsh ammonia. Simply mix with water for a hassle-free application process. Thanks to its ammonia-free formula, you can enjoy vibrant, long-lasting color without the heavy masking odor.