Evening Primrose oil is from cold pressed seeds and flowers of the Evening Primrose plant which is native to the America. Evening Primrose oil contains two essential omega-6 fatty acids Linoleic acid and gamma-linoleic acid. - essential meaning we need to get it through our diet as our body can’t produce it. Balancing omega 6 fatty acid along with omega 3 fatty acid is important for many bodily functions including improved hormone function.
Woman have taken Evening Primrose Oil for many years to help reduce the pain and other symptoms associated with PMS. It can also be used to help balance hormones during menopause.
Evening primrose oil has shown to be beneficial in increasing cervical mucus which can help improve fertility. It can be taken as a natural remedy to increase fertility and it also has the ability to improve uterine muscle tone in the preparation for pregnancy by causing the muscles to contract and relax. Evening primrose oil should not be taken when pregnant as it can cause your uterus to contract. There are some benefits of taking evening primrose oil during the end of your pregnancy which i’m not going to go into as this needs strict medical supervision from your Dr.
Because evening primrose oil helps balance hormones, it has been shown to help reduce hormonal acne. Supplementing with evening primrose oil is often recommended by dermatologist and can even be used topically on your face. Applying evening primrose oil to your scalp too as a hydration hair and scalp mask.
Other skin health problems evening primrose can help with is eczema and psoriasis. Some research has shown that evening primrose can relieve symptoms associated with eczema such as itching, redness and water retention. Because evening primrose oil helps balance hormones it can help treat psoriasis flare ups which can sometimes be caused by a hormonal imbalance.
Evening primrose oil has shown in some studies to be beneficial in helping to improve symptoms of osteoporosis when taken alongside a fish oil and calcium supplement. 
Evening Primrose Oil being a natural supplement is generally considered safe when used at the correct dosage. Side effects such as nausea, headache, dizziness and rash are rare, but they can happen. You should not take evening primrose oil if you are pregnant, on medication for depression, blood thinners or blood pressure medication or if you have seizures. I always recommend speaking to your Doctor being starting a new supplement - especially if you are on existing medication.