Extreme 24 Hour Hold. Lancôme's curvaceous oversized brush gives full lash contact for dramatically full & thicker looking lashes... dramatic volume in a single stroke. Lancôme Hypnôse Drama Waterproof Full Impact Volume Mascara: you won't believe your eyes. Directions for use: Place the flat curved side of the brush at the root of the lash fringe & gently comb from root to tip with a zig-zag movement. Turn the brush & use the side bristles to structure, separate & to further enhance lash appearance.