Eyelash extensions are synthetic, faux mink or silk fibers that are applied strand by strand with specially formulated non-irritating glue to your own lashes to enhance your eye shape. lash extensions are glued on individually, unlike strip lashes, they’re super customizable and actually, look real. This treatment is used to enhance the length, curl, fullness, and thickness of natural eyelashes. they make you feel more glamorous than you thought possible.