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Is Cobalt Aluminum Oxide vegetarian?

Cobalt Aluminum Oxide

Vegetarian Vegetarian
Vegan Vegan

Cobalt Aluminum Oxide is an inorganic mineral oxide pigment composed of cobalt and aluminum oxides, used as a blue colorant in cosmetics.

Also known as CI Pigment Blue 28, Cobalt Aluminate Blue Spinel, Cobalt Blue
INCI name Cobalt Aluminum Oxide
CAS number 1345-16-0
EC number 310-193-6
CI number CI 77346
CosIng ID 105124
Last reviewed 14 July 2026

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

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