Wonder Perfect Mascara 4D Waterproof gives your lashes volume, length, curve, and definition for flawless four-dimensional eyes as it visibly lengthens and thickens lashes more every day. The more you wear it, the more beautiful your lashes will be. Its special power? The Emotion-Resistant waterproof formula can withstand anything your day brings! This mascara won't budge, even when exposed to water, humidity, heat, or tears (tears of joy, of course!). You can count on it to never let you down.