They are caused by long-term ultraviolet (UV) light exposure from both the sun ... bumps that are smaller than a pencil eraser, these are caused by an overgrowth of blood vessels in the skin.

Yes, it is possible to suddenly develop a sun allergy, especially after exposure to certain medications, cosmetics, or environmental factors that make your skin more sensitive to sunlight.

These usually clear up on their own after a short amount of ... fewer white bumps and a more even skin texture. • Avoid sun exposure – especially if you’re using retinols and exfoliating ...