Alum as an astringent, at the site of contact with the skin and mucous membranes film that protects the nerve endings of the skin and mucous membranes of the influence of various stimuli. In this case, subjective feelings subside stress, pain, itching. Dries action of alum is because they seal the walls of the capillaries and small blood vessels, reducing the tissue fluid sweating, flushing and swelling. In addition, they decrease the secretion of sweat and sebaceous glands, as a strong antiperspirant, and also have a deodorizing effect. Alum can be used to treat oily seborrhea, and as a means to care for oily, dull, porous skin.
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