Henna, derived from the Lawsonia inermis plant, has been used for centuries as a natural dye for skin, hair, and even fabrics. While it gives hair a vibrant, glossy finish, it may not be the best ...

At-home tips from a model, an artist and a professional colorist. By Kari Molvar Beauty School answers common beauty questions with help from creative people who’ve become experts on the job. Sign up ...