Full-Size Lancome Waterproof Mascara $15

This Lancome Monsieur Big Waterproof Mascara, originally $30, drops to $15 at Kohl's. That's the lowest price we could find anywhere on this full-size mascara. This smudge- and sweatproof mascara works for up to 24 hours. Plus, it's free of parabens, sulfates, and phthalates. It's earned an average of 4.5 out of 5 stars from over 6,350 reviewers and counting. Shipping is free at $49 or when you select free store pickup. Otherwise, it adds $8.95.