8 Best Waterproof Mascaras That Won’t Run, Smudge or Smear

Dior’s mascara was rated highest for volumizing, separating lashes and creating a gorgeous, natural look. Testers loved the thicker formula, noting that it made lashes look more defined and enhanced, though it’s more prone to flaking and clumping than other formulas as result. Testers say that it stood up to “moisturizing eye drops throughout the day,” “cutting up an onion and also having a tearful moment at church on Easter Sunday,” and Lab tests confirm: it earned perfect scores for its ability to resist running.