Well, yes, it can be good for pink eyes. Generally speaking, pink eye is a common name for conjunctivitis, a contagious eye infection. And you should know that several circumstances can cause pink eye. For example, when the eye becomes irritated and the blood vessels in the whites of the eyes dilate and turn red, it is possible to have pink eyes. According to some researches, Boric acid is one of many home remedies which can be used to ease the discomfort caused by pink eye. We can say that Boric acid is a weak acid with antiseptic and anti-inflammatory properties. It is a chemical compound composed of boron, hydrogen and oxygen. It can be bought as a colorless crystal or a white powder and dissolved in water. So by using it, it can be effective.