Aashay, The Skin, Hair and Laser clinic The Right attitude in skin, hair and nail disorders Pigmentation is a major problem in day to day practice. Melasma is the most common cause of facial pigmentation, cause of which is not clear.Common contributory factors include sun exposure, pregnancy, certain drugs, and thyroid dysfunction. Consult a dermatologist who will confirm the diagnosis and start appropriate treatment. For skin related issues contact us on www.aashayskinhairclinic.com ph no. 8048037002