Bigen Permanent Powder Hair Color 58 Black Brown, 0.21 oz is ideal for those looking for long-lasting, 100 percent gray coverage. The unique powder formula is easy to use because it's activated by water. This gentle, no-ammonia hair color requires no hydrogen peroxide. Bigen Permanent Powder Hair Color: No ammonia No hydrogen peroxide required Bigen hair color produces optimum darkening results regardless of your natural hair color, consistency, condition, length or styleRead More >>