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I've been tracking that on and off for years - https://parans.com/

Not sure it's really caught on, but it's out there




Thanks! That looks like it.

I wonder what the light's spectra and intensity are.

I'm guessing that its cost is prohibitive, or maybe the light's characteristics are just not so great.

I'd love to be able to do some low-intensity tanning at home, for vitamin D and skin health.

Thanks a ton.




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