The best shampoos for gray hair are actually purple shampoos. Here’s what experts want you to know about using one, plus we ...

Multiple videos uploaded under the hashtags see brunettes applying purple ... bottle of shampoo for no reason. Those with brunette hair will see a much bigger difference in using blue shampoo.

For those taking the purple shampoo approach, how often to use one should depend on the results ... they won’t leave behind any blue tones. Added black oat extract, coconut oil and hemp seed ...