Well, yes, it can be good for pink eyes. Generally speaking, a contagious ailment like pink eye often termed as conjunctivitis, is caused by inflammation of blood vessels. And because pink eyes are contagious, the infection can affect the eyes through allergens, bacteria or viruses. At this moment, you can try melaleuca oil, which contain vitamins to treat your situation. Also, cold compesses can be used too. By the way, you need know that upper respiratory infection can lead to pink eyes in your eyes too. So just be careful about it.