What causes Skin Pigmentation? Pigmented lesions arise from a wide range of natural and environmental sources including sun damage, genetic makeup, and aging process. They can vary in size, shape, and prevalence in a given area. Pigmented lesions include pigment-related birthmarks, age spots, freckles, hyperpigmentation, melasma, actinic keratosis and pigmented nevi. What are the Treatment... Continue Reading →