Uses for Boric Acid Powder

Many people know one or two uses for boric acid but do not realise the multitude of uses that it has in a variety of areas. Boric acid is a household wonder that can resolve a number of health problems in a safe manner.

Household chores can also benefit from the use of boric acid, and it can be effective in eliminating household pests.


Boric acid is often used for medicinal purposes. It is effective in the treatment of skin conditions such as acne and is often used as an eye wash. Mix 1 tbsp of boric acid powder with a half a cup of saline water or the saline wash that is used for contact lenses and flush the eyes with the solution to clear up eye irritations. Mix boric acid with distilled water at a ratio of one cup of boric acid powder to one gallon of water to create a wound spray. The mixture has antiseptic properties that will cleanse the wound. Boric acid is also used as a home treatment for chronic yeast infections.

Household Uses

Boric acid is an effective cleaner for homes with mould problems. Boric acid kills mould and is recommended for those who are sensitive to other chemical products. Use care when using boric acid around the home. It can be toxic if it is ingested, and pets can be especially susceptible to toxicity because they are smaller than people.


Boric acid has had a number of industrial uses for hundreds of years. It is one of the ingredients in Silly Putty, which was invented in 1949 during the search for an alternative to rubber. Boric acid is commonly used in the cosmetic industry in powders, eye washes and external skin treatments. It is also used in vitamin supplements as a source of boron for nutrition. Boric acid is very dangerous if it is ingested on its own. Never use it as a nutritional supplement in its powder or wet form unless it is manufactured as a nutritional supplement. Boric acid is also widely used in industry for its flame retardant properties. This property has made the use of boric acid common in the manufacture of furniture, mattresses and insulation. It is also used on glass products to increase their ability to resist chemicals and high temperatures. Microwaveable dishes, lab glass, dishes used in the oven and halogen light bulbs all use boric acid to resist high temperatures.


Many homeowners use boric acid to eliminate or prevent an infestation of pests in the home. Sprinkling boric acid powder behind appliances and furniture in the home can prevent and exterminate infestations of cockroaches, ants and silverfish. It is useful when sprinkled on carpets under furniture to eliminate a flea infestation. Boric acid is also used as a barrier in the home to prevent insects from entering the house.


Boric acid is not without controversy. It can be very toxic if it is ingested or inhaled by pets. For this reason, it is wise to place boric acid where pets cannot reach the powder. It can cause irritation to the skin and eyes if it is over used. Boric acid is also toxic to humans if it is ingested.