You put your shampoo in, you rinse your shampoo out, you put your Violet Conditioner in and you let it all hang out... for about one-to-three minutes. Because that's how long it takes for our perfect purple moisturizer to knock the brassy tones right out of cool blondes (and gray) heads. for Highlighted high-lift blonde or gray hair that's faded or turned a shade of not-so-mellow yellow, thanks to the common oxidization process.