Sclerotherapy is a non-surgical injectable form of treatment for varicose and spider veins. This treatment addresses lymph and blood-vessel disorders that cause deformities in the veins.
In this method, an irritant called a sclerosant into the targeted vein. Sclerosants are usually saltwater solutions. The irritant causes the collapse of the walls of the vein, ultimately causing it to fade away. This results in clearer skin that is free of prominent veins.