It all comes down to the color wheel. Purple shampoo eliminates yellow tones in blonde hair by using violet pigments to neutralize brassiness. Blue shampoo is ideal for brunettes, neutralizing orange ...

How does color work? It seems that as men we have an innate fear when it comes to color. It confuses and scares us. Most men prefer to stick to neutral shades, let’s be honest…it can be pretty boring ...