Fractional laser is a technology that delivers microscopic beams of laser light into the skin in a controlled tiny-dot pattern leaving some skin intact. In doing so it allows the physician to achieve superb results without injuring the whole surface of the skin. The tiny columns of laser energy can penetrate deep into the skin and stimulate collagen production in a very predictable way.
Melasma is characterized by brown patches, usually irregular in size; that can appear on the forehead, cheeks, upper lip, and nose. Women with a strong history of sun exposure are particularly at risk for developing melasma. Other factors to consider are: genetic predisposition and hormones.