Used to melt keratin grains (glue grains), keratin pearls or keratin sticks to then be applied to loose, bulk hair when creating Keratin Tips or i-Tips. It can also be used to reinforce existing bonds after they have been used or adjusted on the head. It is important to use a high grade keratin such as those offered by BRIJON to ensure that the hair extension is bonded properly, is durable and does not cause damage to the hair.