A light emitting device for a human having a scalp with hair, the device includes a flexible arcuate base configured to contour a portion of the scalp. The base has a width between 20mm and 120mm and includes an interior and an interior surface. At least one array of teeth is coupled to the interior surface, each tooth in the at least one array of teeth being pressed against the scalp when the base is contoured about the scalp. Each tooth is configured to part the hair when the at least one array of teeth is pressed against the scalp. An array of at least one of light emitting diodes and laser diodes coupled to the based proximate the at least one array of teeth.
