Colorcharm Permanent Gel Hair Color - Benefits100% Gray CoverageRequires Cream Developer (sold separately)Provides the speed of liquid color with the conditioning and convenience of creamIntense color and up to 43% more shineNatural, true-to-tone, fade resistant resultsGelfuse Technology saturates, penetrates and fuses with the hair to deliver vibrant color that is exceptionally fade resistant - Colorcharm Permanent Gel Hair Color