Yes, coconut oil can help treat the pink eyes. As we know that Pink eye is an eye infection which is also known as conjunctivitis. And the condition may result from bacteria, a virus or fungus. For the Symptoms it includes redness, itching, scratchiness and tearing. And then Coconut oil contains many nutrients and chemical components that some people believe will not only boost your overall health, but also may improve conditions such as pink eye. In other words, coconut oil may boost your immune system, and this could help fight your eye infection. So you can have a try.