But then again clip in hair extensions represent a significant investment on your appearance. It can be expensive to have them applied professionally. They require a special hair care regimen. And no matter what hair extensions sale specialists say, you are limited to how you can style your hair if you have artificial hair on. So, before you commit yourself to this investment, you need to know just what you are getting into. And that means knowing how long do fusion hair extensions sale last and how long you will have to maintain them. There are two main factors that determine just how long you can hold on to your artificial locks. One is the type of halo hair extensions sale you bought. Hair extensions come in two general types virgin hair and fiber hair. Virgin hair is made of real human hair. This type of hair has never been processed using styling products or perms. Their cuticles are perfectly aligned and straight. Virgin hair extensions can last up to a whole year.