17% longer in 30 days! Rimmel Lash Accelerator Mascara has an advanced ultra-lengthening formula for beautifully long, remarkably strong lashes. With continued use, lashes will not only look longer, but lusher and more numerous. Length that defies limits | Formula with Micro-Fibres | Instant wow: Extends lashes by up to 99% | Lash-catching brush grabs every lash for perfect separation | No clumps