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Potassium chloride is a naturally occurring mineral salt typically derived from the ground or sea and is added to foods. It is used as a medication to treat and prevent low blood potassium levels, and it has also been used in supplements for hair growth.
Key insights:
There is no scientific evidence to support the use of potassium chloride supplements in treating hair loss. There may be a potential for the use of supplementation in cases of hair loss due to severe hypokalemia (low potassium), however this has not been investigated in any clinical, animal, or in vitro (in cell) studies that we could find.
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