Advanced American CHI® 44 Color Technology - Ammonia Free. Complete Color Control with pleasant fragrance - CHI® 44. Ceramic and Far Infrared will provide maximum color penetration inside of the hair - Ionic Technology. Ionic charge (+/-) will anchor the dyes deep inside of the hair - CHI® Ionic dyes deliver unbelievable radiance, shine and longevity - Silk Crème Base for added moisture, smooth and economical applications - Tubes are marked in ½ ounce increments for easy measuring