Human skin contains melanocyte cells that produce melanin, a chemical that gives skin its colour. Too much melanin leads to hyper-pigmented skin, common examples of which include freckles and age spots. Hyper-pigmentation can result from sun exposure, trauma to the skin or side effect of certain drugs. While hyper-pigmentation is not a serious medical condition, we can work wonder results for dark spot area by lightening to almost 90% of the dark area.
Hyper-pigmentation can result from trauma to the skin, which can be caused by plastic surgery and other professional skin treatments. Be sure to do thorough research before opting to get plastic surgery. Make sure you know the pro and con of laser treatment or other invasive treatment.