Well I know that the tanning beds help dry out your skin and the tan takes away from any red but it's effects should be temporary because it doesn't actually do any thing about the oil production just the oil that has already been produced. And as far as acne goes side depend on the user...some people get no acne at all ever.

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Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment. --buddah