Glue in hair extensions, or fusion hair extensions, can be regarded as the most discreet and natural-looking hair extensions. In spite of its most time-consuming application procedure, glue in hair extensions is also appealing to many people.
This type of hair extensions makes use of specific methods, cold fusing technique and hot fusing technique included, to apply hair extensions strand by strand to the natural hair at the roots.
For those whose hair is strong enough to support the light w