NaturKraftWerke evening primrose oil is always freshly cold-pressed in the NaturKraftWerke Ölmühle. Small batches and gentle cold pressing with exclusion of air offer top quality all year round. The native oil from Oenotherae biennis provides value-conscious consumers with plenty of essential fatty acids. The violet glass optimally protects the valuable contents. Evening primrose oil has a very characteristic, slightly tart taste. It is used in the cold kitchen, and it is also very well known and popular in personal hygiene.