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| Equipment Low pressure, High pressure, Sunless, Lamps |
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#2 (permalink) |
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Personally, I think that would all depend on the lamps you are using. UVA/UVB ratio, hours of use and so on. I really don't think there is a definite answer to that one. I like to tell clients that 20 minutes are "equal" to 3 hours in the mid-day summer sun. True? I don't know, but it makes them happy to get an answer.
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#3 (permalink) |
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From all the information that i have seen, you only get UVA and UVB from a standard type of tanning lamp. The only lamp that i know of that emits UVC is a high pressure facial lamp, so it is a lot safer to tan in a machine than to tan outside. Because according to what i have read about UVC it is extremely harmful to human skin, and if i am not mistaken this what they use to steralize food and water.
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#5 (permalink) |
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I also give them the 20 minutes equal to 3 hours of sunlight exposure. I also tell them this is a very rough guideline as the sun varies from the beach of Miami to the Bahamas to here in Michigan (where I no longer think the sun exists. ):-)
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