Regulatory Status
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Safety Data
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Expert Verdict
Same restrictions as Entry 204 free base; HBr counter-ion introduces trace bromide — verify purity specs for heavy metals and residual bromide
Frequently Asked Questions
Is Dihydroxyindoline HBr safe in cosmetics?
Same restrictions as Entry 204 free base; HBr counter-ion introduces trace bromide — verify purity specs for heavy metals and residual bromide The EU classifies Dihydroxyindoline HBr as "prohibited". Safety rating: GOOD.
Is Dihydroxyindoline HBr allowed in the EU?
Dihydroxyindoline HBr EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Dihydroxyindoline HBr do in cosmetics?
Dihydroxyindoline HBr functions as: Hair dyeing — hydrobromide salt of dihydroxyindoline for non-oxidative hair dye products. It is classified as a cosmetic ingredient in our database. CAS number: 138937-28-7 (EINECS 421-170-6).
What is the Margin of Safety for Dihydroxyindoline HBr?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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