Rimmel Lash Accelerator Mascara with Grow-Lash Complex features an advanced, ultra-lengthening formula for beautifully long, remarkably strong eyelashes. Rimmel Lash Accelerator Mascara with Grow-Lash Complex works both instantly, and over time. The advanced ultra-lengthening formula instantly makes your eyelashes appear up to 80% longer. Over time, the unique Grow-Lash Complex strengthens, nourishes and renews your eyelashes to promote natural lash growth - for up to 117% longer looking lashes after 30 days! Discover the secret to beautifully long, natural lashes - Rimmel Lash Accelerator Mascara with Grow-Lash Complex! Rimmel Lash Accelerator Mascara is clinically and ophthalmologist tested.