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INCI: FERRIC AMMONIUM FERROCYANIDE
An inorganic pigment that provides a deep blue color. It is used in cosmetics as a colorant.
May aggravate
Safety summary
Considered safe for cosmetic use, but generally not for use around the eyes in the US (though allowed in EU).
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.