Restricted colorant
CI 73000
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Indigo colorant CI 73000 with restricted permitted uses in EU cosmetics. It is allowed in defined product categories but excluded from others, reflecting purity and sensitization considerations.
Skin benefits
- Provides intense blue color as indigo pigment
- Long history of use in textile and historical cosmetic dyeing
- Insoluble form gives stable color in lipsticks and decorative products
Known concerns
- EU CosIng restricts CI 73000 to specific cosmetic uses
- Indigoid dyes can carry impurity profile concerns
- Some indigoid pigments are not permitted in eye area products
- Sensitization risk in susceptible individuals
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.