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 ALUM (mineral astringent) BRAND NAME:-ALUM or etc. ALUM is a heavy metal ions are antiseptic ,acid taste and astringent. They are colour less ,odourless, and exit a white crystal powder . [ astringent substance that precipitated proteins, but do not penetrate cells,thus affecting the superficial layer only. They toughen the surface making it mechanically stronger and decrease exudation ] ALUM occur naturally in various minerals . Pottasium Alums,for exp:-is founded in the minerals ,Kalinite,alunite,and leucite,which can be treated with sulphuric acid to obtain crystal of Alum. They diffuse through the sweat ducks, reduce secertion from glands and partially block the ducts as well. Their antibacterial action prevents decomposition of sweat by bacteria, reducing odour. PROPERTIES:- might antibacterial, antiplatelet property,anti-obesity activity,anti-haemorrhagic agent,mild  anti-inflammatory potential,antidandruff property,mild  anti-asthamatic 3 USED:- as a after shave a...