Boric acid solutions can be used to treat mild eye infections and external ear infections in both humans and pets. In powder form, boric acid can reduce sweating that leads to foot odor. It helps cure athlete’s foot and vaginal yeast infections.
When mixed with distilled water, boric acid can be used as an antiseptic to treat minor cuts and burns. Boric acid is also an effective insecticide to control cockroaches, termites, fire ants, fleas, silverfish and other insects, and it is considered safe for household use. In the laundry, boric acid helps remove stains. It can be used for deodorizing the bathroom toilet and garbage cans. It also prevents and destroys existing wet and dry rot in timbers. Combined with a carrier, it can be used to treat external wood against fungal and insect attack. Boric acid can be used to make fire green.