There are a wide range of uses for alum powder. The medicinal as well as the nonmedicinal uses of alum powder have been described below.
Alum Powder for Canker Sores: Powdered alum is an excellent home remedy for canker sores. Simply take a pinch of the powder and apply it on the affected area. You will find that it will bring down the pain and heal them up quite fast.
Alum Powder as Aftershave: Alum powder is being used as an after shave for centuries. Take some alum powder and rub it thoroughly over the freshly shaved face when it is still wet. Its astringent qualities will help to control bleeding from small shaving cuts and thus, prevent infection.
Alum Powder for Water Treatment: When alum powder is added to water, then the small particles of pollutants present in water tend to stick together in order to form colloid particles. Since colloid particles are heavy, they easily get settled down at the bottom pf the container and the pure water can thus be strained out. Many people living in rural areas use this method of water treatment.
Alum Powder as Deodorant: Alum powder can be used for controlling body odor. It can be applied directly on the perspiring areas of the body. As it is soluble in water, it mixes up with sweat quite easily and neutralize the growth of bacteria that causes body odor. Those who suffer from foot odor can apply alum powder on foot before going to bed in order to get rid of the problem.
Alum Powder for Pickling: Alum powder is popularly used in various pickling recipes particularly the cucumber and watermelon-rind pickles. The aluminum ions present in powdered alum helps to strengthen the cell walls of the fruits used in the pickles and thus the natural crispiness of the fruits and vegetable are maintained.
Other Alum Powder Uses: Alum powder is used as the acidic component of certain brands of baking powder as a result of which the baking powder gives a metallic taste. It is used in cosmetics like skin whitening toner and depilatory waxes. It is used as an ingredient in mouthwash and toothpaste as it can fight against oral bacteria. It has resistance towards fire and hence, used in fire extinguishers. It is a constituent of play dough which is commonly used by children for making home modeling compound.
Comes in heat sealed and labeled bag
Only comes as a 1lbs bag