They just are a symptom of aging.
But do not worry; there is a simple and natural treatment that will help you to eliminate these age spots. But first and important thing is that you know the reason for their appearance and then you can try to get rid of them and prevent from appearing again.
The most common reason for black spots is over exposure to UV rays and sunlight, and it does not matter if you have been in a tanning bed, or have stayed in the sunlight without a sunscreen.
Melanin is what give the skin a dark shade and it appears even faster when you are more exposed to sunlight and tanning. After a while the body’s dark ten is gone and only the brown spots have remained on the skin where the melanin has been more active.