These neutralizing cleansers take yellowing strands to an icy-cool level.

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.

It may once have been hidden with dye (Grandma’s purple rinse anyone?) or cut short to minimise its appearance, but embracing the natural beauty of grey hair is today’s modern, refreshing approach to ...