Meet the ultimate lash hack: Stack on volume, length, lift and all-day hold while minimizing smudging and flaking with this good-for-lashes primer formula packed with castor seed oil and pro-vitamin B5 to condition and care for your stare. Powered by a one-of-a-kind curler-shaped brush , M·A·CStack Legit Lift Lash Primer gives you customizable lift and curl no matter your lash type.