Similar to shampoos for blondes, these formulations have brass-busting qualities to tone down warmth as they cleanse your scalp and strands. The results: a shinier, cooler-toned head of gray hair.

Blondes have been swearing up and down about the miracle of purple shampoo to keep brassiness at bay ... The fan favorite contains tone-correcting pigments that latch onto hair fibers and stays ...

But, no more worries. The ultimate solution for your healthy blonde hair is here — Purple Shampoo. Brassiness refers to the yellow tones that can develop in blonde hair due to daily activities ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more These days, we can personalize so much, even our haircare. Insider has tested Function of Beauty's ...

Purple shampoo might sound a little strange at ... UV rays ora bad hair bleach job and cools down the overall tone of your hair. But with so many options on the market, how do you choose the ...