Eyelash AND Eyebrow Extensions: Window Dressings for the Soul: Specialists create a lush look with semi-permanent  mink, silk or synthetic lashes or hairs.  These delicate lash fibers fuse to the top of pre-existing lashes, or are attached to your brow line, with pharmaceutical-grade glue, creating lush lashes without the need of mascara, and defined brows without need of an eyebrow pencil.