N-acetylcysteine (nac) A Possible Hair Loss Treatment?

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Acetylcysteine (there is a Wikipedia article)

in vitro, acetylcysteine inhibits the expression of Prostaglandine-E2 and COX-2

An anti-inflammatory effect as mode of action is being discussed.
It's very well tolerable with no associated serious side effects.

May it have some effect on hair and hair roots?

 

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I've tried to post some links, but it is not possible.
You'll find the links in a similar post @btt.