The quality and grade of this oil have a direct impact on its efficacy since the oil’s value differs accordingly. Argan Oil by Majestic Pure is an Organic Triple Extra Virgin Grade A (the supreme quality), with Free Acidity Rate under 0.3% and peroxide value under 0.5. Meq of oxygen per KG. Therefore, the quality of this Argan oil CAN BE COMPARRED to any other Argan oil available in the market. Our Argan oil is always stable and fresh. Argan oil is rich in Vitamin E, by the end of its shelf life it will lose most of its properties but you still can use it as a fresh Argan oil.