"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." No matter how extensively you research store-bought hair dye or how thoroughly you go over those inspo ...

Forbes contributors publish independent expert analyses and insights. I write about retail and the forces that are redefining shopping. L'Oréal's Colorsonic, left, and its components at right, ...

At CES, L’Oréal is showing off its first hair color device that can be used at home. The handheld Colorsonic can mix and apply product evenly, according to the company. If it works as promised, ...

Growing old is a costly business — at least when it comes to covering gray hair. Considering the fact I get a root touch-up at the salon every month for around $200 a pop (instead of every two months ...