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Is 3-Hydroxybutyrate/4-Hydroxybutyrate/PEG-90 Copolymer vegan?

3-Hydroxybutyrate/4-Hydroxybutyrate/PEG-90 Copolymer is a synthetic polymer composed of 3-hydroxybutyric acid, 4-hydroxybutyric acid, and PEG-90, used as a film-forming agent.

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