CheckVegan

Is Cuprous Oxide vegetarian?

Cuprous Oxide

Vegetarian Vegetarian
Vegan Vegan

Cuprous Oxide, also known as copper(I) oxide, is an inorganic mineral compound used as a colorant in cosmetics and found naturally as the mineral cuprite.

Also known as Copper(I) Oxide
INCI name Cuprous Oxide
CAS number 1317-39-1
EC number 215-270-7
CosIng ID 89200
Last reviewed 10 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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