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Potassium Alum

Potassium Alum

Also-called-like-this: Potash Alum, Potassium Aluminum Sulfate
What-it-does: astringent


An inorganic salt that has strong astringent properties. It's also a deodorant (there are deo sticks consisting only of potash alum) and is often used in aftershave products as it can stop the bleeding from minor shave cuts. 

Products with Potassium Alum