Evening Primrose Oil is rich in Gamma Linoleic Acid (GLA) which is a good omega 6 fatty acid that is involved in the production of prostaglandins. Prostaglandins are thought to play key roles in helping to regulate the immune system, cholesterol, blood pressure and the menstrual cycle. Some experts believe that Evening Primrose Oil may help to maintain normal cell growth, hormonal balance and help to ease the severity of some skin conditions such as acne, eczema and psoriasis.Long used by ladies for reducing PMT and menstrual hot flushes. Evening Primrose Oil has anti-inflammatory properties and may also aid in thinning the blood