Excessive exposure to UV radiation can lead to freckles, sun spots and age spots. The body’s natural defensive response to sun exposure is to create pigment. These spots are more prominent in individuals with fair skin or increased genetic disposition. These spots become more visible and increase in numbers with time as the damage from the sun accumulates. They are usually brown, gray or black spots and can vary in size. Majority of these spots are harmless and can be cosmetically lightened to improve their appearance.