Is Polydihydroxyindole safe in cosmetics?
Polydihydroxyindole has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Polydihydroxyindole
INCI: POLYDIHYDROXYINDOLE
Polydihydroxyindole (CAS Not assigned in CosIng) is a cosmetic cosmetic ingredient functioning as Hair dyeing (melanin-pathway precursor polymer). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS Not assigned in CosIng →
Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing (melanin-pathway precursor polymer)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not listed as a coal-tar hair dye; no specific FDA restriction. No CIR monograph.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Polydihydroxyindole.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Polydihydroxyindole.
Regulatory Flags
potential-allergen
Frequently Asked Questions
Is Polydihydroxyindole allowed in the EU?
Polydihydroxyindole EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polydihydroxyindole do in cosmetics?
Polydihydroxyindole functions as: Hair dyeing (melanin-pathway precursor polymer). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned in CosIng.
Compliance Tools
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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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Not Reported
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