She bought me one of these. The brand is Sinful Colors. It's $2 at Walgreens, and you can also find it at Target. These things don't chip...much. I don't own a nail polish that doesn't chip, and top coat just makes a bigger mess in my opinion. But, these are the best. They last the longest, and the colors are great. Also $2!!!! This is the one she bought me.
If you do two coats it looks almost black. If you do one it's a nice pine green.
I bought the other two.
My only complaint would be that they are on the runny side. They're not even remotely thick, especially Soul Mate (the peach one).
