not waterproof likes to clump [SEP] super clumpy difficult to apply because of the fibers clumping together i had to purchase a special comb just to use this mascara and used tweezers after application to remove the clumped up fibers waterproofing is miserable with this product and i never once went swimming it was drizzling one day and i was outside for all of seconds and came in looking like a lost crack addict would recommend