Is Holmium Oxide safe in cosmetics?
Holmium Oxide has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.
Poor
Cosmetic Ingredient
Holmium Oxide
Also known as: Holmium oxide (Ho2O3), Holmium(III) oxide, Holmium sesquioxide, Diholmium trioxide, Holmium(3+) oxide
INCI: HOLMIUM OXIDE
Holmium Oxide (CAS 12055-62-8) is a cosmetic cosmetic ingredient functioning as Colorant (rare earth oxide; yellow-pink color). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 12055-62-8 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant (rare earth oxide; yellow-pink color)
Safety Rating
POOR
Regulatory Status
EU EU Status
prohibited
US US Status
prohibited
US Notes
Not listed as an approved color additive under 21 CFR Parts 73, 74, or 82. Use as a color additive is prohibited in the US.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Holmium Oxide.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
No specific technical function
Expert Verdict
Expert safety assessment and concern-level summary for Holmium Oxide.
Regulatory Flags
colorant
Known Synonyms
Holmium oxide (Ho2O3)
Holmium(III) oxide
Holmium sesquioxide
Diholmium trioxide
Holmium(3+) oxide
Chemical Function
No specific technical function
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Holmium Oxide allowed in the EU?
Holmium Oxide EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Holmium Oxide do in cosmetics?
Holmium Oxide functions as: Colorant (rare earth oxide; yellow-pink color). It is classified as a cosmetic ingredient in our database. CAS number: 12055-62-8.
Compliance Tools
Check Holmium Oxide compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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