REVLON ColorStay Lash Serum + Liner, Liquid Eyeliner, 001 Blackest Black | Lash-serum + liquid eyeliner in one. Nourishes the lash line for visibly healthier lashes in 1 week.

Line. Nourish. Care. Revlon ColorStay Lash Serum + Liner Liquid Liner nourishes your lash line with serum-infused Tahitian Microalgae for visibly healthier lashes in one week. Whether you’re an expert or a beginner—this vegan serum + liner in one has everything you need. It has a flexible brush tip that’s easy to use and control (no dragging or skipping) and it won’t smudge, transfer, fade or bleed. ColorStay Adapti-Flex Color Lock Technology delivers bold, rich black color that lasts in just one stroke. All-day wear, waterproof.