Evening Primrose Oil Organic, Oenothera biennis (#6667 - 30ml, 100ml) is rich in fatty acids, especially GLA. Suitable for all skin types, its very high GLA content helps maintain a healthy skin. Soothing and balancing for dry and mature skin, this is an oil well known and loved by women to help combat the blues. Keeps for approximately three months. Certified Organic. Evening Primrose Oil Organic is a pure natural therapeutic quality certified organic food-grade carrier oil from China. Many carrier oils have significant benefit for maintaining a healthy and youthful skin. See also About Carrier Oils.