Ascorbic Acid Polypeptide
INCI: Ascorbic Acid
Reviewed by Emma · Last updated 14 Aug 2026
Also known as: Ascorbic Acid, Vitamin C, Soy Protein
A stable form of Vitamin C that is a combination of ascorbic acid and soy protein Functions as an antioxidant and skin-conditioning agent
EWG Safety Score
What Is Ascorbic Acid Polypeptide?
Ascorbic Acid Polypeptide is a cosmetic ingredient, listed under the INCI name Ascorbic Acid, Vitamin C, Soy Protein. It is grouped in the Antioxidant category on this site.
There is limited independent published research on its topical use, so this entry describes what the ingredient is rather than making specific performance claims.
Benefits for Your Skin
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