According to Perkins, it is possible to over-tone gray hair—which can lead to purple, green, or blue tones. To avoid this, she suggests alternating between a shampoo with a pigmented wash and a ...

There are 28 shade options to choose from, and users rave about the excellent gray coverage and salon quality. One says, “So far, I am very impressed. I purchased the blue black. I have hair dye ...

To keep your silver hair glossy and vibrant, Kandasamy says to look for a shampoo with the following ingredients. “For gray hair, use shampoos with purple or blue pigments to ne ...