Bigen Permanent Hair Color is ideal for those looking for excellent, long-lasting gray hair coverage or to enhance their natural hair color. The unique powder formula is activated by water and deposits rich, natural-looking color on even the most stubborn gray hair. With no ammonia required, this permanent color is the gentle choice for rich color and optimal shine no matter your natural hair color, consistency, condition, length or style! Bigen Permanent Powder is a permanent hair color and does not require lightening to darken the hair. While some regular permanent hair colors use both procedures unnecessarily, Bigen's simple coloring system means less damage to your hair. Bigen Permanent Powder Hair Color leaves your hair looking soft, natural and shiny.