Hair coloring has come a long way since the ancient Gauls and Saxons dyed their hair with natural pigments derived from plants and minerals. And appropriate hair color has long been a sign of status—the ancient Greeks and Egyptians used natural hair dyes regularly to show rank and to look younger. Since few resort to crushing plants and roots in their kitchen anymore, unless you’re a true naturalist, at home hair kits are the best options.
Ninety million people in the U.S. color their hair, so it’s no surprise that the “at-home color kit” concept has grown in leaps and bounds. Madison Reed, brainchild of start-up expert Amy Errett, boasts colorist Sally Hershberger as an adviser, and is