The Dornier MediLas FlexiPulse laser is a 940 nm diode laser that targets the hemoglobin molecules and not melanin. It is used to treat spider veins and hemangiomas.
The Dornier Flexipulse treatment is a diode topical laser which works on very small veins. Like any other topical laser side effect are few but include bruising, laser burn and swelling. For the most part, when used on the right veins, the complications are very few and the results are very good.