| Beauty
Humidity ruins your blowout because your hair is actually absorbing moisture from the air through an open cuticle. Celebrity stylists say the secret to glass hair is using heat-activated products that create an invisible, waterproof barrier around every strand.
| Beauty
Trinity Tatum stunned fans by ditching traditional hair dye and using beige concealer to paint fake highlights directly onto her dark curls. While the low-commitment Y2K look is viral, experts say you must tuck the color underneath your top layer to avoid looking greasy.