How Tanning Beds Work

In a nutshell, tanning beds imitate the sun. Three types of UV rays are released from the sun, these are UVC, UVB, and UVA. The first, UVC, has the shortest wavelength of the three and is the most harmful. The sun’s UVC light is absorbed by the ozone layer and pollution and therefore never reaches your skin, and the tanning lamps filter out this type of UV light. UVB is the middle wavelength and this is what starts the tanning process. Overexposure to UVB can cause sunburn, whereas UVA which has the longest wavelength and completes the tanning process, has less chance of causes sunburn. Tanning lamps provide favorable tanning results by combining these two UV lights, UVA and UVB, into a healthy ratio, with a lower risk of overexposure.

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