Fitkari, also known as alum, is a compound used for various purposes. In powdered form, fitkari is commonly used in:
1. *Water purification*: It helps in settling impurities.
2. *Skin care*: Acts as an astringent and antiseptic, often used in aftershave and to treat minor cuts.
3. *Oral health*: Helps in reducing tooth and gum problems due to its antibacterial properties.
4. *Cooking*: Sometimes used in pickling to maintain crispiness.
It is important to use it in appropriate quantities as it can be harmful in large doses.