Potassium Alum
Also-called-like-this: Potash Alum, Potassium Aluminum Sulfate
What-it-does:
astringent
Details
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.
Something incorrect or missing?