Every blonde knows that the best way to maintain your hair dye is to use the best purple shampoo. If you love the look of ...

That's where purple shampoo ... clean slate before applying,” Bertucci says. This aptly-named shampoo works to improve upon the blonde tones in your hair by flushing away brassiness and ...

Why We Love It: Even though our tester Mary gets her dirty-blonde hair highlighted ... purple shampoo she has used, but it's also the fastest to work, making a big difference after just one ...