How Sun Rays Damage?
Sun is the life giver. Without the sun there would be no life on mother earth. But as with everything else, too much is not good. The sunrays contain Ultraviolet rays which are considered as the biggest culprit for aging. Exposure to UV rays ages us the most then any other known reason for aging. This exposure is also the main cause of various skin cancers. Scientists are still not sure about the reason of the damage but it is stipulated that the UV rays produce free radicals in our body and these radicals cause various skin problems at a premature stage of life. Let us find out more about UV rays… UV Rays The UV range consists of three types-A,B and C. The wave lengths of all the three are different. UVA (Wavelength 320-400 nm) UVB (Wavelength 280-320 nm) UVC (Wavelength 100-280 nm). UVA Rays The A type of UV is the maximum in the total UVR reaching the earth. The total UVR consists of about 90-95% of A type. The A type penetrates deeply in the dermis, and causes direct tanning of t
