H.C. Red No. 1: CIR Safety Assessment Summary
CIR safety assessment summary for H.C. Red No. 1: ingredients reviewed, panel verdict, use concentration context, conditions, and source citation.
H.C. Red No. 1 appears in a CIR safety assessment covering H.C. Red No. 1. The panel verdict for the report is safe with concentration limit. On the basis of the animal and clinical data included in this report, the CIR Expert Panel concludes that H.C. Red No.
| Field | CIR value |
|---|---|
| Primary ingredient | H.C. Red No. 1 |
| CIR verdict | safe with concentration limit |
| Report type | Final Report |
| Date | 1996 |
| CAS numbers | 2784-89-6 |
| Use concentration context | 1 is safe as used in hair dye formulations at concentrations of ≤0.5%. |
| Conditions or carve-outs |
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 H.C. Red No. 1.
Safety Conclusion
The conclusion for H.C. Red No. 1 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: 1 is safe as used in hair dye formulations at concentrations of ≤0.5%.. That language is the safe-use context shown for this page.
Conditions
On the basis of the animal and clinical data included in this report, the CIR Expert Panel concludes that H.C.
Formulation Reading
For formula review, begin with the exact INCI identity and the ingredient group covered by the CIR assessment. If the material is H.C. Red No. 1, 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 H.C. Red No. 1 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 H.C. Red No. 1, with source details retained at the bottom for audit.
Review Notes
The conservative reading is to keep H.C. Red No. 1 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 H.C. Red No. 1
- CIR source file: pr12.pdf
- Extraction JSON: Source documentation archived.
- Conclusion page in CIR extraction: 16