By Jonathan Borge
Jul 03, 2015 @ 2:30 pm

Celebrity makeup artist Kristofer Buckle is the secret weapon behind Jennifer Lopez’s long, lush eyelashes, and he's sharing the formula for achieving her look. In the video above, he explains to InStyle’s fashion and beauty editor at large, Kahlana Barfield, that the process begins with a clear, flexible band lash like Make Up Forever Eyelashes Strip ($16, Buckle suggests measuring the band against the eye to make sure it’s not too long—but be careful of over-trimming, he cautions, which will "remove all the glamour from your look." To learn the rest of Buckle’s tricks, watch the full video above.