The introduction of selective photothermolysis by Drs. John Parrish and Rox Anderson in 1983 revolutionized how lasers are used in dermatology . The theory allowed for lasers to be used in a variety of applications both safe and effectively, and the number of applications has only expanded with time. From the first application on vascular birthmarks to more recent applications for acne , this review covers the evolution of lasers from the beginning to where we are headed.