Graying hair is a natural part of aging. Learn the science behind it and what factors influence when your hair turns gray.

What does the hair coloring process consist of? From single process and highlights, to bleached out, double-processed hair, the process behind your new look depends on what you’re getting done.

A widespread myth surrounding hair dyeing is the belief that you must wait a few days before washing your hair; as hair-color ...

(Photo by Monica Schipper/Getty Images) What does the hair coloring process consist of? From single process and highlights, to bleached out, double-processed hair, the process behind your new look ...