DONT BE DULL With your hair that is This gentle chelating cleanser works like a magnet to remove metals chlorine minerals and product residue that make blonde and highlighted hair look dull BEST FOR BLONDES Our brightening shampoo produces the most visible results on blondes highlighted hair however it can also be used on darker hair The difference is that you wont see as much of a change in your color compared to blonde hair COLOR SAFE dpHUE Gentle Brightening Shampoo is Paraben Free SLS SLES Sulfate Free and Leaping Bunny Certified HOW TO USE Apply to wet hair and lather Rinse thoroughly For best results follow with Brightening Powder and Gentle Brightening Conditioner Use as often as needed