I’m so glad you have asked this question. When coming for a laser treatment, your skin can become sensitized and suceptible to hyperpigmentation, however this is not because of the laser specifically, but rather when the patient does not follow their post-procedure instructions as prescribed i.e. applying sunblock everyday to protect the skin, and avoiding sun exposure while you are having your treatments. By followong your post-care procedure, you, should have absolutely no issues.