To raise money for his research, Horrobin left academia and in 1977 established a company called Efamol to sell evening primrose oil (EPO) as a proposed treatment for various ailments. For example, Horrobin considered EPO to be a treatment for eczema "after trying it on the son of a librarian from his college". Horrobin planned to use the profits from Efamol to fund research and development of drugs containing EPO fatty acids.
Horrobin left academia in 1977 to raise money for his research, founding a company called Efamol to sell evening primrose oil (EPO) as a treatment for various ailments. He used the profits from this venture to fund further research and development of drugs containing EPO fatty acids.