If patients have varicose veins together with spider/reticular veins,  these treatments is often combined with the CLaCs approach. Abbreviated as CLaCS, this is a new, State-of-the-art treatment for varicose veins which mixes transdermal laser and injection sclerotherapy, performed with chilly air blown on to the skin at minus 20 degrees https://www.sgvascularctr.com/innovative-clacs-singapore-treatments/