And since both shades are susceptible to turning yellow due to a lack of pigment, purple shampoos (often reserved for blondes) work just as well on gray hair, too. These cleansing staples can also ...

“Gray hair is prone to developing yellow or brassy tones, and tends to be drier and more textured,” says Olya Iudina, a hairstylist at IGK in New York. “Using a purple shampoo helps to ...

Purple Shampoo: An anti-brass purple shampoo that instantly neutralizes warm, brassy undertones in lightened, cool blonde, bleached, ashy, or gray hair and nourishes damaged, processed hair Color ...