EVENING PRIMROSE OIL 5% is obtained from Oenothera biennis that exhibits anticholesterolemic, astringent, sedative and hypotensive properties. It is used in the treatment of gastro-intestinal disorders, asthma and whooping cough. It is also effective against eczema, brittle nails, acne, alcohol associated liver damage and rheumatoid arthritis. Moreover, it is potent to treat hyperactivity, multiple sclerosis and pre-menstrual tension and has applications in treating piles, obesity, bowel pains and bruises.