Our Blue Crush for Brunettes Shampoo with crushed blue pigments crushes orange tones in one use. The rich formula instantly transforms even the most stubborn brassy orange and red tones into cooler, brighter brunette. Specially designed for highlighted or lightened brunette hair. Safe for use on natural or colour-treated brunette hair. Cruelty-free, peroxide-free, ammonia-free, and phthalate-free.