I got laser vein treatment in November. I'm 26 years old and had noticed some spider veins on the back of my thighs. I also had some bright blue veins appear on my face. They were at the side of my forehead and I had a deep one showing right at the top of my forehead. You're going to feel some pain. The laser treatment feels like VERY sharp stinging sensations, but goes away instantly. I would definitely wait to get this procedure done in the fall when your done wearing shorts. You need a while before the bruising goes away. Most of the bruising on my legs went away within a month or two. I had a couple of stubborn veins that bruised up worse than the others and they are still bruised up 3 months later. It's finally starting to fade.
I was nervous to get the veins on my face done because they told me I would get dark, purple bruises and it would look pretty bad. I went ahead with it anyways and am very glad I did. I had absolutely no bruising on my face. A couple of the veins were puffy looking for the rest of the day, but that's it. My whole forehead is completely clear. I don't know how I got lucky enough not to bruise on my face. The laser hurts A LOT on hard areas like the forehead so be prepared.
Some of the spots were sore for a few days, but some Tylenol took care of that. I am extremely happy with my results. Any pain I felt was definitely worth it. Take a pain reliever beforehand. There are risks involved with this treatment like some skin discoloration, but I haven't had any problems.