The Beauty Brains

Discover the beauty and cosmetic products you should use and avoid

Real scientists answer your beauty questions


Can hair straighteners stop your hair from being naturally curly? Sarah asks...Can straightening your hair for a long time change it from being very curly to being naturally straight? That's like saying bleaching your brown hair for a long time will make you naturally blonde. It doesn't work that way because you're only treating the hair that's [...]