Lashes take on superb scale, structure and sweep with In Extreme Dimension Waterproof, M·A·C’s lightweight, whipped mascara that saturates from root to tip, now in a waterproof formula. Enhancing volume, extending length, creating curl and staying put to the extreme, these highly defined lashes are clump-resistant, non-flaking and non-smudging – and can now withstand moisture of any kind.