Product Details Meet Lash Clash, Yves Saint Laurent's new game-changing mascara. Lash Clash exists now in a waterproof version. Your favourite mascara, from now on, up to 48-hour* wear to allow you to live life to the fullest - without boundaries. Waterproof, heat-proof, sweat-proof. Finally a life-proof couture mascara that delivers up to +400%** extreme buildable volume thanks to its oversized double conical brush. Up to 48-hour* wear extreme couture black finish // waterproof, heat-proof & sweat-proof formula *instrumental test on 114 subjects **instrumental test on 25 subjects splash the care pushing cares to the limits. Infused with iris extract from YSL beauty ourika community gardens, this formula helps lashes feel soft, supple and healthy. For the first time, this formula is also infused with a hair conditioning agent, safflower glucoside. Lashes look conditioned, more beautiful and feel fortified. Splash the volume the massive double-conical brush holds extra formula to coat l