LashFood Conditioning Lash Primer with Fiber perfectly combs and separates lashes while simultaneously improving the vitality of natural lashes. This product nourishes your natural lashes so that they appear longer, thicker and stronger. The natural fibers contained in this primer attach themselves instantly to the lashes for a thicker longer appearance. The special wand provides maximum coverage for even the smallest lashes. This mascara has been dermatologist tested. It is long-lasting and smudge-free.