What is UV?
Ultraviolet (UV) radiation is a type of energy produced by the sun and some artificial sources, such as solariums. UV radiation is not like the sun's light or heat, which we can see and feel. Your senses cannot detect UV radiation, so you will not notice the damage until it’s been done.
The sun's UV is the main cause of skin cancer. Too much UV exposure also causes sunburn, tanning, premature ageing and eye damage.
UV can reach you directly from the sun, and even with cloud...