"When thinking about hair growth, you need to take a whole-body approach and address the root causes," says dermatologist Dr.

So what's Christina's secret? I personally think it's her hair. Hear me out; the Pan Am actress has some of the glossiest, shiniest hair in Hollywood and far from it being faux hair or enhanced with ...

The definitive roundup of the 100 greatest hair products as chosen by the people who know best – beauty industry insiders.