Is Thiohistidine safe in cosmetics?
Thiohistidine has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Thiohistidine
INCI: NOT REGISTERED IN THE INCI DICTIONARY
Thiohistidine (CAS Not assigned in CosIng / no established cosmetic CAS) is a cosmetic cosmetic ingredient functioning as N/A — not an established cosmetic ingredient. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not assigned in CosIng / no established cosmetic CAS
View industrial chemical safety profile →
Function
N/A — not an established cosmetic ingredient
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Not listed; no established cosmetic use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Thiohistidine.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Thiohistidine.
Frequently Asked Questions
Is Thiohistidine allowed in the EU?
Thiohistidine EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Thiohistidine do in cosmetics?
Thiohistidine functions as: N/A — not an established cosmetic ingredient. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned in CosIng / no established cosmetic CAS.
Compliance Tools
Check Thiohistidine compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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Is Thiohistidine in Your Products?
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Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Thiohistidine in your formulation.