Evening Primrose Oil 1350 mg (GLA 135 mg) Hexane-Free, 120 Softgels, Source NaturalsSource Naturals Evening Primrose Oil Hexane Free. Cold Pressed. 1,350mg Softgel. Excellent Source of Important Fatty Acids. The delicate, lovely evening primrose is actually a nutritional powerhouse. It is composed of a wealth of healthy fatty acids including cis linoleic acid and gamma linolenic acid, two compounds that benefit both the outer body (hair, skin and nails) as well as inner health, healthy inflammation response, improved cell function,