Revlon ColorStay Mascara Xtensionnaire Waterproof BlackRevlon ColorStay Xtensionnaire Mascara combines a lash serum with mascara to extend lashes with serum infused Pro Vitamin B5. It features lightweight Flexi Polymer Fibers and a Tapered Brush for extension like length and durability, providing up to 24 hour wear with Adapti Flex Technology. Smudge proof and flake proof. Key Features Waterproof mascara Serum infused with Pro Vitamin B5 Extension like length Smudge proof and flake proof Up to 24 hour