We may earn commission from links on this page, but we only recommend products we love. Promise. Not only is this bar 100 percent soap-free—which makes it the go-to shampoo for color-treated hair—but ...

Shampoo bars may have several benefits over liquid shampoos. For example, they may be more eco-friendly, have gentler ingredients, and may even offer some symptom relief for people with skin or scalp ...