Ferric Ferrocyanide


Colouring Agent/Pigment

No known benefits

Ferric Ferrocyanide description

Colouring agent, also known as Iron Blue, used in cosmetics products, including those designed for use around the eye. Permanently listed (since 1978) by the FDA as safe.

Ferric Ferrocyanide references

  • U.S. Food and Drug Administration. Color Additive Status List. [Internet]. 2015 [cited 2015 July]. Available from: http://www.fda.gov/ForIndustry/ColorAdditives/ColorAdditiveInventories/ucm106626.htm.

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not rated