Awasome Black Light Uva References. Web uva light is a commonly used light source in black light because of its low energy and high penetrating power. They cause an immediate tanning effect, and sometimes a sunburn.
Web uva blacklight bulbs are one way to creatively light your room. Ultraviolet light frequencies are above violet on the spectrum and are invisible to the human eye. Uva has been linked to human skin cancer, so extended exposure to black light radiation should be avoided.
