Colorant
PIGMENT BLUE 27
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An inorganic iron-based blue pigment (ferric ferrocyanide, CI 77510). Long-used cosmetic colorant including in eye products; EU Annex IV-permitted with a strong long-term safety record.
Function
Skin benefits
- Stable inorganic iron blue pigment for cosmetic colorants
- Long-established safety record in eye and lip cosmetics
- Permitted in EU under Annex IV with broad applicability
Known concerns
- No significant concerns at cosmetic-grade purity
- Theoretical cyanide release is not occurring under normal cosmetic conditions
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related colorants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.