EFAMOL PURE EVENING PR TAB 500MG X90 is oil that helps to reduce the symptoms of dryness on your skin and support beautifully nourished and smooth looking skin. Can be used by women throughout the month. Efamol gives you 33% more GLA. Although people use evening primrose oil for premenstrual syndrome (PMS), menopause symptoms, arthritis, high cholesterol, acne, and many other conditions, but there is no good scientific evidence to support these uses.