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Well. It turns out that light therapy DOES actually work. At least for me. I got this in June or July, and I have noticed a difference in the months I have used it vs. the months I haven't. What blue light is supposed to do is kill the p. acnes bacteria that causes acne. I've found it does help reduce redness, and prevents future acne (you know, those painful, ugly "undergrounders" that come from deep under your skin)- I don't really see that it helps reduce pimples that have already come to…