I Tip Hair Extensions are made up of several hair strands glued together at the tip. These extensions are applied by using a pulling tool, either a hook or loop, which pulls the hair through a very small micro ring. The I-tip extension is then inserted into the micro ring which is then compressed with special pliers – This compression holds the extension in place. YoungSee I Tip hair extensions are a type of human hair extension for its natural-looking, silky-smooth, and comfortable to wear with high-quality keratin, which safely melts the keratin Tips onto your own hair.