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 ...

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 ...

While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

My lack of patience means that I never thought hair extensions were for me, mostly because the idea of sitting in a salon all day fills me with dread. Then I discovered tape-in extensions that can, I ...

While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

Stanley Nolan is a master cosmetologist and a specialist in beauty education at Ogle School. Kim Kimble is a celebrity hairstylist and creator of the Kim Kimble Hair Collection by HairUWear. Lorraine ...