Nail polish: They may all look the same, but not all are created equally.

On Day 4 of our Contributor Beauty Award nomination reveals, we asked bloggers The Spicy Stiletto, Model Liberation, Moiology, Manicurator, and Natalie Dressed to test out polishes in various colors, including those elusive base and top coats -- does anyone actually need those anyway? Our contributors happen to think so, and they'll tell you exactly which ones to invest in.

Click through the gallery to see all the nominated nail polishes. Don't forget to check the site on Friday to see the ultimate winners revealed!