Here is a picture after one week of pump spray. I am usually very vascular but at the moment, I had stopped lifting for a little over 4 weeks due to injuries. I put on a good amount of fat with the holidays and all which takes away from vascularity. Picture was taken at 1am, after a good 4 hours of not moving on the couch, days from any workout, and absolutely zero pump. Basically the worst conditions possible for vascularity.
Also, fat has barely decreased but still noticeable which is impressive for 1 week. UR spray took 3 weeks for me to notice fat loss and then it became dramatic. Strength is great which I also noticed on UR spray (I seem to be in the minority of people who notice awesome strength gains from UR). No major increase in pumps during workouts or all day fullness yet but it is still very early. Vascularity has already improved a good deal though. Also, I have only had 2 workouts on it so far