Is Barium Sulfide safe in cosmetics?
Barium Sulfide has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.
Moderate
Cosmetic Ingredient
Barium Sulfide
INCI: BARIUM SULFIDE
Barium Sulfide (CAS 21109-95-5) is a cosmetic cosmetic ingredient functioning as Depilatory (chemical hair removal). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 21109-95-5 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Barium Sulfide is prohibited in EU cosmetics but has active industrial GHS classifications (H290, H301, H302, H314, H332, H400).
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Depilatory (chemical hair removal)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Permitted in cosmetics; no specific FDA monograph restriction beyond general safety requirements
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Barium Sulfide.
Calculate MoS for your specific formulation with the MoS Calculator.
EU CLP Annex VI Harmonized Classification
Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.
Signal Word
Warning
Pictograms
Harmful / IrritantEnvironmental Hazard
Hazard Class and Category
Acute Tox. 4 *; Acute Tox. 4 *; Aquatic Acute 1
Hazard Statements
- H332 Harmful if inhaled
- H302 Harmful if swallowed
- H400 Very toxic to aquatic life
Inserted via ATP: CLP00
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
100,000 - 1,000,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Depilatory
Expert Verdict
Expert safety assessment and concern-level summary for Barium Sulfide.
Chemical Function
Depilatory
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Barium Sulfide allowed in the EU?
Barium Sulfide EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Barium Sulfide do in cosmetics?
Barium Sulfide functions as: Depilatory (chemical hair removal). It is classified as a cosmetic ingredient in our database. CAS number: 21109-95-5.
Is Barium Sulfide used outside cosmetics?
Barium Sulfide also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Barium Sulfide have different safety status in cosmetics vs industrial chemicals?
Barium Sulfide is prohibited in EU cosmetics but has active industrial GHS classifications (H290, H301, H302, H314, H332, H400).
Compliance Tools
Check Barium Sulfide 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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