Tanning Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL
U
UVA
The tanning ray. Longer wave just beyond our visible range (thus, ultra-violet, just beyond violet in the rainbow). It is what actually does the tanning.
UVB
The burning ray. Medium wave that is just smaller than UVA. It stimulates your skin to produce melanin, which aids in tanning. It is what actually gives you a sunburn if you get too much. Overused as a rating for tanning lamps.
UVC
Not used in tanning. Short wave that is used selectively to sterilize medical instruments. It is quite unhealthy for humans and is filtered out of tanning lamps.
 
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Modified 04/26/2005