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Re: Dermatologists fume at tanning industry claims
High pressure tanning uses lamps of much higher power (up to 2,500 Watts each) and a very low percentage of UVB (less than 1%). The theory is that with little or no damage to the skin caused by high UVB exposure, it is easier for the gentler UVA rays to provide a healthy looking tan in as little as three 15 minute sessions. And with no protective thickening of the skin and no exfoliation, this tan can last for two weeks or more. Some manufacturers go even further with this theory in that their systems filter out not only most of the UVB rays, but also the higher frequency rays in the UVA spectrum.
hope this helps.....
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