Of the dozen-plus keratin shampoos we researched (with the help of hairstylists, ingredient experts, and testers), our favorite overall is Chi’s Keratin Silk Infusion Shampoo.It smells expensive ...

LOS ANGELES - A nationwide class-action lawsuit was filed against beauty conglomerate Unilever in November claiming that some of its Tresemmé products were allegedly causing hair loss. "Plaintiff ...