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.

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Kara Jillian Brown is the 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 ...

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 ...

Flip-over sew-ins are the latest variation on the traditional sew-in, and they've been all over TikTok lately. From our favorite celebrities to top influencers, it seems everyone is flocking to the ...