Hyperpigmentation is a common, by and large harmless but aesthetically displeasing, condition in which patches of skin darken in color. The darkening comes about when an excess of melanin forms deposits in the skin. Melanin is the brown pigment that produces normal skin color and responsible for tanning the skin exposed to sunlight. Several people seek treatment for hyperpigmentation, or skin discoloration, not knowing exactly what it is, what caused it or how to treat it. In fact, after acne, hyperpigmentation is the second most common reason people seek out dermatologists. There are many types of hyperpigmentation: Post-inflammatory hyperpigmentation (PIH) – usually occurs as a result of an injury or irritation such as acne, mosquito bites, eczema, or rashes. Melasma- is particularly common in women, especially pregnant women…