Rimmel London Lash Accelerator Endless Mascara in Extreme Black delivers dramatically longer lashes with its advanced, ultra-lengthening formula. Infused with a unique Grow-Lash Complex and micro-fibers, this mascara extends lashes by up to 99% instantly. The specialized lash-catching brush separates and coats each lash from root to tip, ensuring a clump-free, high-impact finish. With consistent use over 30 days, lashes appear not only longer but also stronger and more numerous. This ophthalmologist-tested formula is suitable for sensitive eyes and contact lens wearers.