Maximizes your lash look: Doubles lash volume. Curls and sets lashes. Boosts the special effects of mascara and extends its wear. Acts like a magnet to attract and hold mascara, so less is needed. Stays in place, providing the perfect beginning for magnificent lashes. Conditions to help prevent breakage. For best results, apply one coat of Lash Primer Plus, then immediately apply your mascara while the primer is still wet.