It used to be common in every supermarket, check there first. Also some stores will carry it during canning season (midsummer to fall), but not at other times. You might have to order it from an online supplier - it's no longer common anywhere.
spice section in the food store
Alum is a spice for food.
At any grocery store usually in the spice section because it is mostly sold in powder form.
I'd check out the spice section of a grocery store (alum is used for some pickling brines), or you could try a drug store. If you can get non-finely powdered alum, you can pulverize it to a fine powder yourself using a mortal and pestle.
Alum typically is found in the spice section, and will be packaged like other spices. It is white, so might look like very fine salt.
I bought several jars the size of a spice jar on sale for 99 cents. I guess the store was trying to get rid of them. Look in the spice section at the grocery store or at a drug store. They can't cost too much.
Assuming you mean common ones, like the alum available as a cooking spice, potassium alum, then yes. I don't know about the exotic ones like rubidium alum.
There are better products for cold sores than alum. However, you can buy alum in the spice department in most grocery stores.
99 cents storeAnswerWikipedia says this is an astringent, styptic (stops bleeding), antiseptic, natural deodorant, and an ingredient in traditional Chinese medicine. So...try a Chinese grocery store or a health food store. You can buy Alum in any grocery store in the spice section. It usually comes in the tiny spice containers and is used for canning, such as pickles. It is also very cheap.
The cheapest canker sore treatment is to put a spot of the spice Alum onto the sore. Within a few hours the sore has receded and the throbbing gone. Alum is an inexpensive spice typically used in canning processes.
Alum refers to a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated aluminum potassium sulfate with the formula KAl(SO4)2.12H2O.
yes