Stopped by around 3 am on a Tuesday. Rang doorbell. No answer. No visible activity inside. Lights turned down low. Stood outside for a few minutes feeling like an idiot until a crack head approached, asking for money. If you're touting yourself as a 24/7 business you better be open 24/7. I understand the need to shut down for emergencies and such every so often, but you should at least put a sign on the door. Not gonna bother with this again. It's too bad, because I work nights and really would have loved a true 24/7 nail salon.  According to other reviews I'm not alone in my experience so I will not be returning.