Alum or fitkari is a naturally occurring salt usually made of potassium alum. Often available in crystal form, the colourless or white substance is a hit among fans of natural deodorants.

Alum stone, or potassium alum, is a naturally occurring mineral used for various purposes, from culinary to traditional medicine. Its primary properties include being an astringent, antibacterial ...

Formulated with natural mineral salts — potassium alum is the key ingredient — it creates an invisible antibacterial layer over the skin’s surface that helps control the growth of odor ...

Serious adverse events may be caused by different constituents in a vaccine: the active antigen, an adjuvant such as potassium aluminium sulfate (alum), a conservative agent such as thimerosal ...