Bigen Speedy No Ammonia Conditioning Color 20 Brownish Black is a hair dye designed to provide long-lasting, rich color with a smooth and natural-looking finish. This product is specifically formulated without ammonia, offering a gentler alternative to traditional hair dyes while still delivering excellent coverage, especially for gray hair. The unique conditioning formula not only colors the hair but also nourishes it during the coloring process, leaving hair feeling soft, shiny, and healthy.