Recent advances in laser technology all began because of the historical lack of safe and effective treatment for children with red vascular birthmarks (port wine stains). Prior to the development of “pulsed” lasers, scarring was a real concern. The pulsed dye laser was the first industry standard for treatment of skin and blood vessel problems such as dilated blood vessels, port wine stains, hemangiomas, and facial veins. The subsequent development of longer wavelengths like Alexandrite & NdYAG helped dramatically with the darker red, purple & blue birthmarks and vascular problems. These lasers feel like a rubber band snap on the skin with each pulse, and specifically heat up the tiny blood vessels, without damaging the normal skin. A discoloration may appear temporarily and within a few weeks, the treated lesion improves. With port-wine stains and hemangiomas, multiple treatments are needed.