Why it won: The quick drying time and glossy, long-lasting results were among the reasons this polish scored rave reviews.
Readers' choice: "The intensity of the pigment? In-freaking-credible! A week later the color still looked like I just put it on." --Christine Fanning, 23, Fair Lawn, N.J.
- CoverGirl Outlast Stay Brilliant Nail Gloss; $6 at Drugstore.com