Why is boric acid used?Updated 2 months agoBecause it's an insect repellant We apply a minor amount of boric acid (less than 1% by weight), which is all-natural and non-toxic, as an insect repellent. Was this article helpful? YesNoWhy is boric acid used?We apply a minor amount of boric acid (less than 1% by weight), which is all-natural and non-toxic, as an insect repellent.
.png){kind=small}