Is Bittern safe in cosmetics?
Bittern has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Bittern
INCI: BITTERN
Bittern (CAS Not individually assigned (natural mineral complex; primarily MgCl₂ with trace minerals from seawater crystallization residue)) is a cosmetic cosmetic ingredient functioning as Skin conditioning, humectant (mineral-rich brine). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not individually assigned (natural mineral complex; primarily MgCl₂ with trace minerals from seawater crystallization residue)
View industrial chemical safety profile →
Function
Skin conditioning, humectant (mineral-rich brine)
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific CIR review. GRAS status for food-grade bittern (nigari); cosmetic use follows general safety provisions
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Bittern.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Bittern.
Frequently Asked Questions
Is Bittern allowed in the EU?
Bittern EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Bittern do in cosmetics?
Bittern functions as: Skin conditioning, humectant (mineral-rich brine). It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (natural mineral complex; primarily MgCl₂ with trace minerals from seawater crystallization residue).
Compliance Tools
Check Bittern compliance across multiple jurisdictions:
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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