Dudu-Osun Black Soap

This Bigen hair dye is suitable for coloring gray or partially gray hair. The dye will turn your hair black/brown. The dye is in powder form and does not contain ammonia; you can mix it with regular water. This Bigen hair dye 

Its vibrant, beautiful color lasts longer. Bigen has no unpleasant odor because it is ammonia-free. It mixes easily and simply with water, without the need for hydrogen peroxide. Bigen is economical because it can be easily measured for multiple uses.