Is Cyclo(prolylprolyl),5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione, octahydro-,Proline Anhydride vegan?

Cyclo(prolylproline) is also known as Cyclo(prolylprolyl),5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione, octahydro-,Proline Anhydride.

Cyclo(prolylproline) is a synthetic cyclic dipeptide formed from two proline residues, also known as proline anhydride, used in cosmetic formulations.

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