Alum acts as a natural astringent, helping to tighten the skin and reduce the appearance of pores.
Its antibacterial properties may help fight acne-causing bacteria and prevent breakouts.
Alum is often used as an aftershave treatment to soothe minor cuts and prevent infections.
Alum has mild exfoliating properties, which can help remove dead skin cells and improve skin texture.
It is sometimes used to lighten dark spots, though its effectiveness varies from person to person.
It may help in reducing bad odors, making it useful as a natural deodorant for the face.
Some believe alum has skin-tightening effects, which may temporarily reduce fine lines and wrinkles.