Treatment for skin spots is less advanced than for other skin conditions. Hyper-pigmentation may occur for a variety of reasons, depending on the activity of melanocytes (cells containing melanin) and skin tone.
Causes: Over-exposure to the sun, depending on skin type, genetics, geographical location.
Maladies of the skin, age-dependent hormonal changes, pregnancy, perfume, chemicals.
Trauma, mechanical changes, injury, skin inflammation, exposure to medications and hormones.