Peptides are short chains of amino acids. In INCI lists they usually carry “peptide” in the name, often with a fatty acid attached (e.g. palmitoyl).
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Valprooyl Oligopeptide-33 is the product obtained by the reaction of valproic acid and Oligopeptide-33. In the United States, Valproic Acid may be used as an active pharmaceutical ingredient
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