Weave hair is used to change the appearance of someone’s hair by adding hair to their natural hair. Specifically, a weave refers to a style when someone’s entire hair is braided. Needle is used to sew extensions of hair into the braids once the braids are made. Weave hair can last for 6 to 8 weeks. Weave hair can make hair longer, add thickness to hair along with volume, and no chemicals or glues are used. By using weaves, women can easily change their hair color without dyeing.