People with darker skin can be treated, but results are slower, more sessions are required, and greater expertise is required on the part of the laser center. Laser hair removal must be individualized for each patient. Influence of hair color on laser hair removal. Dark hair absorbs more laser energy and is easier to treat. Coarse dark hair responds the best to laser treatment.
Light hair is more difficult to treat.
Blonde or red hair is very difficult to treat. Multiple treatment sessions are required, and results are variable. Blonde or red hair usually contains pheomelanin, which absorbs laser energy less avidly than the eumelanin pigment which is present in black or brown hair. Laser hair removal requires multiple treatments. Although one laser session can produce long-term hair removal, as a rule multiple treatment sessions are necessary to obtain optimal results.