Fusion hair extensions are one of the most popular and universally suitable ways to change your hairstyle. They include hot fusion and cold fusion. Cold fusion hair extensions is a gentler version of the hot fusion technique. They are the latest method for the fusion extension which creates a gentle and comfortable feel for the hair. These methods make use of a polymer with a keratin base to stick the extensions to the root. This method requires no heat when styling so it is for thin and fine hair. They are flexible and free-flowing. Let hair flow with our Fusion hair extensions made from 100% remy human hair that bounces and flounces with 360-degrees of natural movement.