A weave is a term which refers to synthetic or human hair 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. When the braids are made, a needle is used to sew extensions of hair into the braids. The extensions are sewn from one ear to another.
The hair extension refers to synthetic or human hair being attached to the natural hair of a person with an adhesive, clip-ons, micro links or tape to lengthen the hair an add fullness. Hair extensions are applied strand by strand to the natural hair.