Amp up your lashes with the MAC MACStack Elevated Mascara. Delivering +165% instant lift* and visible volume, the mascara creates a bold, wispy look that wears for up to 36 hours. Its dual-sided, precision-tip curved brush captures every lash for enhanced elevation and a clump-free finish that stays smudge-, sweat- and humidity-proof. Enriched with argan oil, the buildable formula stacks up lashes for a fanned-out effect. *Clinical testing on 32 people