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Can red light therapy really work for hair loss?

Hi everyone.

So I came across some articles online saying that red light therapy can work for hair loss? Is it true?

My hair just keeps shedding for the past few months. I consulted my doc but he said it was normal and that there was no need to worry about it.

But I just couldn't stop thinking about it. And I don't want anything invasive done to me.

If this red light therapy can really work for hair loss, I am thinking about purchasing a red light therapy hat and try for a few months...    
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There is some evidence that it can be effective for certain people.  This article gives a good overview on the devices, and who may see benefit from them, and who probably won't: https://www.buzzfeednews.com/article/lorencecil1/red-light-therapy-hair-loss
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