Nail Tip / U-Tip Nail tip hair extensions or u tip hair extensions are pre bonded 100% human hair extensions which are dipped in high quality keratin hair extension glue at the tips. This is the safest hair bonding glue and can be removed without damaging your natural hair using keratin remover. The Keratin Glue is rolled into a Nail tip end ready for you to add to your natural hair using a professional hair extension heat connector which should already have a small lip for you to place the glue tip into. The Keratin Glue is rolled into a Nail Tip ready to add to the natural hair using a professional hair extension heat connector which should already have a small lip for you to place the glue tip into. It is Silky Straight and soft to the touch, it can be styled as normal and it will lie perfectly straight and will blend with your own hair to create Supermodel Hair Extensions. All the hassle is taken out of separating Bulk Hair Extension strands and getting glue everywhere.