Last reviewed May 2026 · 1 min read
Is Iron Oxides vegan?
Also known as: CI 77491, CI 77492, CI 77499, E172
E-number: E172
Vegan
Suitable for a vegan diet.
Yes — They are inorganic mineral compounds (basically rust) and are synthesized in labs to ensure purity and safety.
01 · The basics
What is Iron Oxides?
Naturally occurring mineral deposits used heavily as pigments in cosmetics to create reds, blacks, and yellows.
02 · The source
Where it comes from
They are inorganic mineral compounds (basically rust) and are synthesized in labs to ensure purity and safety. They contain zero animal products.
Frequently asked
FAQ
Are iron oxides safe to use on the skin?
Yes, they are considered some of the safest, non-toxic, and non-allergenic pigments available in the cosmetic industry.
Why are they used in vegan meat?
Iron oxides are occasionally used in plant-based meats to give the raw patty a red, meat-like appearance that turns brown when cooked.
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A popular synthetic red food dye used to give foods and drinks a prominent red or pink color.
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A bright lemon-yellow synthetic food dye commonly used in processed foods, drinks, and medications.
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A synthetic blue dye used in foods, cosmetics, and dietary supplements to achieve a vibrant blue hue.
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