"Purple shampoo can help neutralize that yellow, keeping gray hair looking shiny ... amazon.com), which reduces dullness by ...

“Purple shampoos are a lifesaver for grey and silver hair,” says Fletcher-Holmes ... If you are someone who uses keratin treatments to straighten out natural waves or curls, you also need to be ...

Additionally, he notes that, “purple pigments counteract unwanted tones and combat brassiness.” In other words, these magical shampoos are known for “turning yellowish gray hair into silver ...

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 ...