2-O-Ethyl Ascorbic Acid

A derivative of vitamin C. There are no clinical studies on this ingredient as of yet, and so we don't know if it is as effective as the other ascorbic acid derivatives.
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2-O-Ethyl Ascorbic Acid


2-O-Ethyl Ascorbic Acid (2O-EAA) is a derivative of vitamin C (ascorbic acid). It was created to be a more stable analog of vitamin C (you can read more about it here).

It is rarely used because its cousin, 3-O-Ethyl Ascorbic Acid (3O-EAA), is often used instead, even though the only difference between them is the position of the little oil-soluble tail. They most likely have very similar properties and uses – antioxidant and (possibly) collagen boosting, anti-wrinkle properties, with better stability than regular ascorbic acid.

We definitely need more information about this ingredient before we can come to any conclusion.