If you have unwanted spider veins, then you can visit a dermatologist to have them removed. These visible veins are not necessary for your circulation, and while they are not usually harmful or painful, they don't exactly look appealing. One of the most common methods for removing spider veins these days is called sclerotherapy. Here is a look at the benefits sclerotherapy has over other procedures, along with a look at what you can expect if you decide to go through with it.