Ultraviolet radiation. The
invisible spectrum of solar radiation. It’s separated into three areas
with increasing danger to the skin; UV-A, UV-B, and UV-C.
UVA
Ultraviolet light, type A.
Rays of light from the sun that aren’t visible but are harmful to the
skin. The estimated wavelength is 320 to 400 nanometers. They penetrate
profoundly into the skin. . Known as “The sun aging rays.”
UVB
Ultraviolet light, type B. Rays of light from the sun that aren’t
visible but are harmful to the skin. The estimated wavelength is 285
to 320 nanometers. They cause cellular damage to the outside layers
of the skin. it is drying and it is aging. Known as “The Sun burning
rays.”
