First things first: Sew-in weaves are a process where your natural hair is braided down into cornrows, says Nash, and a needle and thread are then used to sew down hair extensions onto the braids.

Kara Jillian Brown is the senior beauty editor of InStyle. She began her career at Well+Good, where she spent five years evolving from editorial intern to news writer to beauty writer. She earned a ...

Whether you want to go from a bob to mermaid-length hair overnight, or you want to sport a pastel shade on the weekends, it's never been easier to experiment with fake hair. Here's everything you need ...

Extensions are the easiest and quickest way to add major length to your hair, but that's not all they do. They can also bulk up fine, flat hair and add colorful dimension, all while looking incredibly ...