Blue shampoos replace orange undertones with cooler brown shades. We tested the market leaders in our beauty lab to find the best for brunettes. Shop now.

Our handy guide has all the inspiration, products and expert tips you need. Our hair has ... a slightly more blue-toned ‘Violet’ shade as well as variants for blondes. As purple shampoos ...

Color-depositing shampoos add specific pigments (either purple, blue or green) onto the hair shaft to maintain your desired color. Based on color theory, blondes should use purple shampoos ...