Chic Hair Extensions halo human hair extensions are a temporary hair extension option. The single weft piece can transform your look immediately, giving you added length, volume and new colour! Thermal tools can be used to style your new hair. The halo hair extension does not attach to your own hair. Instead, it makes use of your heads natural shape and sits comfortably on your head like a crown with a hidden wire. Your own natural hair will sit on top of the halo firmly holding it in place. This is in contrast to almost all other hair extension types that attach to your actual hair in some way.