Sclerotherapy is a minimally invasive medical procedure commonly used to treat varicose veins and spider veins. It involves injecting a chemical solution, known as a sclerosant, into the affected veins. This solution causes the vein walls to collapse and eventually disappear. https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-from-the-perspective-of-a-vascular-surgeon/