I would like to know how we can make the same thing that the Reyes Instagram filter gives on a picture on Photoshop?
I think it can be archieved by lowering the black and white values in the curves and finally giving the diagram a slight curve towards top to strengthen white and lowering blacks further.
The curves look this (in Gimp, can be archieved in any other tool too):
I've cropped the original side of your image and used with the above values. Here's waht it looks like: