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Ferrocyanide refers to a chemical compound containing the ferrocyanide ion. In cosmetics, specific ferrocyanide compounds like Ferric Ferrocyanide (Prussian Blue) are used as blue pigments.
No specific concern data available
Safety summary
When used as a pigment (e.g., Ferric Ferrocyanide), it is generally considered safe for cosmetic use. The term 'Ferrocyanide' alone is not a specific INCI name.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.