"A blue based shampoo is not recommended on yellow-toned hair," says Wickham. Most brands only offer purple shampoo, but Joico has both … Continue reading Blue … "If you have icy-blonde hair and leave a purple shampoo on for too long, your hair will have a blue-purple tinge to it," she cautions. If you have more golden-yellow hair then you should use purple shampoo to counterbalance the color. It’s formulated to brighten gray hair with silvery tones and neutralize brassy tones in all hair … However, all color shampoos are not created equal. Blue shampoo for brown hair. “If you have brassy-orange hair you should use a blue-based shampoo. Just as blondes have their purple shampoo, brunettes can rejoice that they too now have a shampoo dedicated to enhancing their color.Blue shampoo is used to help neutralize the brassy tones that can arise in brown hair that is lightened by hair … In short, no. Keeping blonde highlights beautiful can be a challenge. Purple is great … The key is to use the right color to counteract your hair’s undertones. Whether you’re a blonde or brunette dealing with brassiness or you have gray hair that’s looking a little dull these days, this splurge-worthy blue shampoo can help bring your color back to life. Color shampoo can make your highlights looking salon fresh while prolonging trips back to said salon.