Pigmentation is an uneven skin tone caused by excess melanin, often seen as dark spots, patches, or blotches. Common causes of pigmentation include excessive sun exposure, acne, cuts, or rashes that can leave behind dark marks on your skin. Get rid of pigmentation with these tried-and-tested home remedies. Discover the best hyperpigmentation treatment at home and naturally achieve clear, radiant skin. Discover the common types of pigmentation on the face, what causes them, and how to identify and manage different skin discoloration types like melasma, freckles, and PIH . Facial pigmentation characterized by brownish spots is usually caused by your skin’s archrival, the sun. Exposure to the sun’s UVA rays consistently can damage your skin and lead to pigmentation . This skin issue affects your skin’s look and might indicate an underlying health issue.