Helena Rubinstein's Lash Queen Feline Blacks Mascara intensifies volume, lengthens lashes, and adds depth for bold, sophisticated eyes. Made with ultra-thickening waxes that add intensity, this mascara envelops every lash with a waterproof formula that resists both skin oils and moisture for up to 24 hours.Ophthalmologist-tested, this mascara offers safe beautification for even the most sensitive eyes.