Provides skin insulation: To put it plainly, hair helps keep our skin warm. And peach fuzz is no exception. When it's cold, vellus hairs stand up (what we commonly call goosebumps) and this keeps ...

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 ...

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) ...