CheckVegan

Is Cyclo(prolylproline) vegan?

Cyclo(prolylproline)

Vegan Vegan
Vegetarian Vegetarian

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

Also known as 5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione, octahydro-, Cyclo(prolylprolyl), Cyclo(prolylprolyl),5H,10H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione, octahydro-,Proline Anhydride, Proline Anhydride
INCI name Cyclo(prolylproline)
CosIng ID 97302
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue