When it comes to gray, think purple. According to hair experts, the best shampoos for gray hair often boil down to the best purple shampoos for gray hair. The reason? It all comes down to coolness. “Purple shampoo is an excellent choice for anyone looking to maintain cool, ashy tones in their hair,” says Laura Dale , the education manager for Kristin Ess Hair. For those with natural or colored gray hair—and a side of yellowing— “purple shampoo can be a game changer,” she insists. “It helps neutralize unwanted yellow and orange tones, keeping your hair color vibrant and fresh.” Mind you, blue shampoo and silver shampoo can also up the ante on one’s shower routine.

So, are those with white hair hereby called to eschew their regular hair products? Not exactly—and not without some due dil

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