Omnivores, rejoice: Lean red meat is one of the best sources of hair-healthy nutrients. “Grass-fed beef is rich in iron and omega-3 fatty acids, both of which can help thicken hair and make it ...

In the world of haircare, few ingredients have shot to fame like biotin has. A key player in energy production and keratin synthesis (the protein that forms the structure of your hair, skin and nails) ...

But there is nothing the Marie Claire team loves more than playing beauty investigator to find the absolute best skin and hair products that are worthy of incorporating into your beauty routine. It's ...