Human U-Tips Extensions (Wholesale)U Tip Hair Extensions Wholesale are made from human hair, including Remy and virgin hair, so they feel silky and natural. These Italian keratin U tip extensions are cuticle aligned and meant to be used in a professional salon. They come in a range of colors and lengths, making them great for bulk orders and wholesalers. Professional installation These U Tip Hair Extensions are easy to use with hot fusion or heat fusion tools. They stay in place and