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, ...

From lemon-juice highlights to multi-step salon color processing, all hair color techniques rely on science to work their transformations. Chemical reactions lighten and re-color strands, but amateur ...

It's simple: come prepared with pictures and an open mind. Whether you're a first-timer or not, getting a simple cut or a full head of color, you should always come prepared with photos. It's the ...

Keeping your hair color looking fresh isn't always easy-or cheap. Most stylists recommend touching up color every 4 to 8 weeks, and depending on the salon and technique (like balayage, highlights, or ...