Blue Panther® AMPLIFIED is a rich, deep violet-blue hair dye with cool blue/purple undertones. For best results, use this dark, velvety shade on pre-lightened hair! Please note that since Blue Panther® is so pigmented, it should work well on most hair levels but due to its blue undertone, it can clash with very orangey base tones on virgin, unbleached hair! Blue Panther® can also be added into lighter colors like Amethyst Ashes to punch up their vibrancy and staying power or over your natural brown hair for added depth and intensity!