Evening primrose originates from Mexico and Central America, now grows abundantly in northeast of China. Evening primrose oil contains large amounts of ω-6 series of unsaturated fatty acid, which, as medical research shows, has remarkable effects on balancing female endocrine hormones, decreasing blood lipid, inhibiting platelet aggregation, lowering blood pressure and resisting arrhythmia, etc. Its superb efficacy for women’s beauty and health makes evening primrose oil the favorite of functional food, pharmaceutical, cosmetics and healthcare industries