Answers:
It depends on the blemish, if its raise (keloid) later laser surgery is your best bet. If it is flat, than you should try chemical peel, or mederma.
You can go and get a suntan and the suntan will cover it.
I obligation to know what characteristics of scar are on your skin, and how long they've be their.
I don't know if I can answer your cross-question from a medical standpoint, but I can suggest you look into using a appropriate concealing cover makeup. It is transparent and vastly impressive completely concealing scar or any other skin condition or fault, for both men and women. There are several color shades to choose from so have a lighter complexion should not be an issue. I hope this help.