A mascara, for volume and immediate lash lift, that has a continuously buildable, clump-resistant formula. Formulation Type: Volumizing, Curling, Lengthening Benefits: Long-wearing What Else You Need to Know: This mascara's continuously buildable, clump-resistant formula makes it MAC Cosmetics's best mascara for volume and immediate lash lift and length. The Superstack Mega Brush delivers volume to longer or upper lashes, while the Superstack Micro Brush delivers precise application to shorter o