The extensions of keratin. Fusion or U-Tip are strands of 100% natural hair of 20 inches and are applied one by one to the hair of the person, thanks to a keratin tab located at one end large enough (2 cm) to achieve the goal with a U shape. The ends are joined during the application to create a band that adheres the new strands to natural hair. This technique consists in scheduling the keratin at the end of the extensions using a small hair straightener or a suitable heating machine. The method of fusion to heat results in a perfect adhesion of the extensions to the base of each person's hair.

It is a system of extensions that uses separate tufts. These have a U-Shaped tab. This tab is fixed by heat to our own hair. It is undetectable