I think you can tell where I’m going with this post based on the photo.
So, I bought Sinful Colors Endless Blue from the new Sinful Colors Buff to Bright Collection (more information on that collection here). I bought it partly because I am loving blues right now, and partly because I was curious to see if it was a good dupe for Nails, Inc. Baker St. Note that Baker St. is also duped by Essie Butler Please and quite similar to Sally Hansen Pacific Blue, but the Sinful Colors is the least expensive of all.
Here’s another close up comparison, this time with flash:
In my opinion, they are excellent dupes; the only different I notice is that Nail, Inc. Baker St. dries to a satin / low-gloss finish and Sinful Colors Endless Blue dries to a high-gloss finish (both swatches are completely dry in the photo). Both have good formulas; I did find the Sinful Colors just a touch thicker than I prefer, so I thinned it just a little bit. It is useable as bought.
And finally, a quick swatch of Endless Blue on the nail:
Overall, I would definitely recommend Endless Blue – both as a lovely polish in it’s own right, and as a $2 dupe for the more expensive Nails, Inc. Baker St.
*I purchased both products featured in this post. Please see my disclosure policy for more information.