Dear Bao Gu,
Your name sounds funny!
As to your question, yes of course acupuncture could help the skin, but not the way you are thinking of.
In fact we do have the herbs to this purpose, but you have to learn the herbal medicine first.
Acupuncture is used to treat the skin diseases in China, but not only for moisten the skin and nobody likes being needled for this purpose.
DK
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