There are beauty secret weapons, and then there is Stila's Stay All Day Waterproof Eyeliner.

Ever since it first debuted many seasons ago, the felt-tipped black pen has become a staple backstage at fashion shows and everyday life alike, thanks to a practically permament formula that lasts through essentially anything.

Thunderstorms, pool parties, sweaty concerts, showers...your cat eye will survive. 

To celebrate the fact that Stila's finally rolled out a full colorwheel of hues, we had to put the new set of inks through the ulitmate tests. See how they did in the gallery!



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