L?Oréal Paris is taking the guesswork out of choosing the right hair color shade with the release of a new mobile application that serves as a personal color consultant. The My L?Oréal Colorist app is ...

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, ...

Coloring hair at home comes with plenty of struggles. First, there’s the task of playing cosmetic chemist and mixing the color, worrying that if you don’t blend the formula just right it might look ...