Starflower Oil works in the same way as Evening Primrose Oil but contains greater amounts of Gamma-Linolenic Acid (GLA), therefore you don't need to take as much. The 'GLA' found in Starflower Oil is essential for the formation of the lipids prosta-glandins , important regulators in the body. Taken regularly starflower oil helps to maintain healthy skin, a normal hormonal balance, healthy joints and overall good health.