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Age spots definition
As you age, years of being in the sun start to add up. Solar lentigo or commonly known as "age spots", are collections of pigment caused by exposure to the sun. Pigment is deposited as a form of response to injury just like a scar is a response to a cut. The pigment collects in areas injured because of thin skin or greater sun exposure. Solar lentigo also can be
caused by bruising that leaves blood pigments behind. They are most common in people over age 55. The spots commonly appear on the hands, but can be almost anywhere, especially sun-exposed areas such as the face, back, arms, feet and shoulders.
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