If you want to cover up pimples, birthmarks, or other unwanted things, then a concealer is the way to go. One of the features with this concealer is that it's waterproof.
From Benefit Cosmetics
Benefit Cosmetics Boi-ing Cakeless 24 Hour Long Wear Concealer - Full Coverage - Dark Circles Liquid BB Cream - All Skin Types Stick Waterproof - Medium cool
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