Argan oil is the oil obtained solely from the fruit kernels of the argan tree (Argania spinosa or argania sideroxylon) to the exclusion of oils obtained using solvents or re-esterification processes and of any mixture with oils other kind. 
The order Vizierial of November 22, 1921 and the Moroccan standard NM 08.5.090 define criteria for purity and quality of argan oil. 
The virgin argan oil is a natural oil obtained from the fruit kernels of the argan tree solely by mechanical or traditional methods of thermal conditions in particular, which does not lead to exceeding standards for purity and quality raised, and have not undergone any treatment other than roasting almonds, pressure, decantation, centrifugation and filtration. 

Description of argan oil produced by the company Assaisse Ouzeka: