HC Yellow No. 2: CIR Safety Assessment Summary
CIR safety assessment summary for HC Yellow No. 2: ingredients reviewed, panel verdict, use concentration context, conditions, and source citation.
HC Yellow No. 2 appears in a CIR safety assessment covering HC Yellow No. 2. The panel verdict for the report is Safe with concentration limit. The CIR Expert Panel concludes that HC Yellow No. 2 is safe for use in hair dyes at concentrations up to 3%.
| Field | CIR value |
|---|---|
| Primary ingredient | HC Yellow No. 2 |
| CIR verdict | Safe with concentration limit |
| Report type | Final Report |
| Date | 1994 |
| CAS numbers | 4926-55-0 |
| Use concentration context | 2 is safe for use in hair dyes at concentrations up to 3%. |
| Conditions or carve-outs | The CIR Expert Panel concludes that HC Yellow No. |
Ingredients Reviewed
The review scope matters because CIR conclusions often apply to an ingredient family rather than a single INCI name. In this report, the ingredient list includes HC Yellow No. 2.
Safety Conclusion
The conclusion for HC Yellow No. 2 should be read as a CIR panel conclusion, not a regulatory limit. CIR assessments summarize expert-panel safety determinations for cosmetic use, while legal status still depends on the jurisdiction and product category.
For use levels, the report gives this concentration context: 2 is safe for use in hair dyes at concentrations up to 3%.. That language is the safe-use context shown for this page.
Conditions
The CIR Expert Panel concludes that HC Yellow No.
Formulation Reading
For formula review, begin with the exact INCI identity and the ingredient group covered by the CIR assessment. If the material is HC Yellow No. 2, the relevant comparison is whether the intended use aligns with the practices, concentration ranges, and conditions described in the CIR source.
The ingredient hub at HC Yellow No. 2 should carry the substance-level profile. This page is the report-level summary, keeping the conclusion, ingredient scope, and use-context language attached to the CIR source rather than treating the conclusion as a universal permission.
Why This Page Exists
CIR reviews are long documents, and the practical answer is usually buried in the conclusion and the table of current practices. This summary keeps those CIR facts in one indexable page for HC Yellow No. 2, with source details retained at the bottom for audit.
Review Notes
The conservative reading is to keep HC Yellow No. 2 tied to the exact CIR report listed below. The ingredient family, panel conclusion, date, and any use-condition language belong together. A shorter ingredient-page snippet would lose that context.
This page gives the search-level answer while preserving the source-level caveat: CIR safety language is a panel assessment for cosmetic practices of use, not a universal legal permission across every jurisdiction or product category.
Source
- CIR report: Final Report on the Safety Assessment of HC Yellow No. 2
- CIR source file: pr85.pdf
- Extraction JSON: Source documentation archived.
- Conclusion page in CIR extraction: 9