PIGMENTATION AND SUNTAN http://whiteink.in/treatment-Sun-Tan-and-Pigmentation-4 WHAT ARE THE CAUSES OF PIGMENTATION OR MELASMA? A person may develop hyper pigmentation due to various reasons. CAUSES: Hormonal changes Ageing process Genetic tendencies UV rays and free radicals Drugs Any facial cleansers, creams, or make-up which irritates the skin Birth control pills