Are you aware with the benefits and drawbacks that come along with weft hair extensions? It is possible that some people are still unaware of the benefits and drawbacks associated with weft hair extensions, including sew-in weft hair extensions. This is a situation that is quite likely to occur. The purpose of this article is to offer both a general introduction of weft hair extensions as well as a more in-depth study of such extensions, including a discussion of both its positive and negative aspects.