Pigmentation spots are flat, (light) brown, irregular spots that occur on the skin, mainly on the face, hands and neck.
Melanin is the natural pigment that gives our skin its colour. The production of melanin protects us against harmful UV radiation from the sun. When our pigment cells (melanocytes) produce too much melanin or are disturbed, pigment spots may appear. The development of pigmentation spots is often due to too much exposure to the sun but can also be caused by other factors.