Putting oil on seems to help quite a bit (just put vegetable oil, jojoba oil, etc, rub it in with a paper towel and wipe it off), I've used it on a couple tables and you can barely see that it's...
Um... nail polish remover? Just a guess. I mean, I've seen nail polish remover sold in stores, and I've always wondered what it was used for. But, when I saw this question, it just jumped out at me...