The REVLON MASS MARKET offers the COLORSTAY XTENSIONNAIRE waterproof mascara, designed to maximize your lashes. Experience double the length with this exceptional product. This unique formula serves a dual purpose as both a serum and mascara. Enriched with Pro Vitamin B5, it nurtures and enhances the health of your lashes gradually. Featuring a specially designed tapered brush with flexible bristles, it elongates every lash for defined, extension-worthy results that remain intact for 24 hours. It also has excellent resistance to smudging.