Sep 22, 2017 - But before we get into the pros and cons of hair extensions, let's talk about what The procedure itself starts off with a keratin U-tip bond that is lined with . The only difference is that it comes pre-tipped with a keratin based . Choosing hair extension methods can be overwhelming, since are so many . Strand by strand systems are often referred to as a keratin bond, u or nail tip, flat . Keratin hair extensions are also called U-tip, nail-tip, keratin bond, hot-fusion, pre-bonded extensions. Keratin . Keratin Hair Extensions pros and cons. Pros of . Jun 8, 2017 - Hair extensions give people the easiest way to have beautiful hairs of . hair extension refer to this method as a keratin bonded hair extension. Jan 4, 2017 - The name 'Pre-Bonded Hair Extensions' is derived from the pre-tipped keratin bond at the top of each strand, the hair has been bonded . Dec 5, 2017 - Learn the pros and cons of hair extensions before you take an . You can have them braided, glued or woven in, or if you only want them . Feb 19, 2018 - It solidifies the keratin bond and later flattened by a technician using their . #Fusion hair extensions, also called #prebonded hair extensions, .