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

Unlike your regular shampoo, purple shampoo is a specialized formula crafted to neutralize unwanted yellow undertones in ...

Purple shampoo can also be beneficial for neutralizing unwanted yellow or orange tones in those who color treat their hair, especially those going blonde or light brown. “Violet pigments in a ...