Beauty 35 is a beauty supply shop located at 505 8th Ave (on the corner of 35th St). It's almost right across the street from Penn Station/Madison Square Garden. I adore taking a trip to this shop - they have a large selection of polishes by OPI, Essie, and Orly. There are old and new colors to be found, as well as various nail treatments and implements. Oh, and lots of wigs! Beauty 35 is the only place in New York City that I've found NYX products (no NYX nail polish though).
Beauty 35 is one of the few stores in Manhattan that has a 'sale' section. I actually get excited when I visit, because there are always new colors marked down.
I picked up Essie's It's Genius at Beauty 35. I found this one on sale for just $3.99!
If you find yourself in the area, don't pass by Beauty 35.
I purchased the product featured in this post. Read more about my disclosure policy here.