The best smudge proof mascara! Looking for the best waterproof drugstore mascara dupes? Need a good smudge proof mascara that’s lengthening and adds volume? From Maybelline to L’oreal to Covergirl – and everything in between! – we’re sharing 10 cheap drugstore mascara products that are perfect for oily skin, hot humid days, and for swimming. And if you want to know how to take off waterproof mascara, we’ve included a great remover you’ll love!