As we all know, the evening primrose oil is derived from the seed of "Oenothera Biennis" which is used to treat numerous of disorders such as the allergies. In fact, as to the question you asked whether the evening primrose oil ideas useful for the dark circles. I want to tell you not really. You know many reasons can cause the dark circles, including the lack of sleeping, vitamin deficiency and so on. However, the evening primrose oil just only have some function to the skin disorder about our eyes or health, that is to say, the evening primrose oil cannot help you clear the dark circles. If you really want to clear the dark circles, you can just find the right reason why you have so many dark circles, and then you can treat them by through the right way. Sincerely hope you can find the right reason and way to help you with the dark circles.