Methacrylic Acid1 Methacrylic Acid is an organic acid used at concentrations between 50: CIR Safety Assessment Summary
CIR safety assessment summary for Methacrylic Acid1 Methacrylic Acid is an organic acid used at concentrations between 50: ingredients reviewed, panel v.
appears in a CIR safety assessment covering . The panel verdict for the report is insufficient data. Based on the available animal, clinical, and other data included in this report, the CIR Expert Panel concludes that Methacrylic Acid is safe as used as a nail primer by trained professionals, but there are insufficient data for retail use by consumers.
| Field | CIR value |
|---|---|
| Primary ingredient | |
| CIR verdict | insufficient data |
| Report type | Final Report |
| Date | 09 Budavari 1989 |
| CAS numbers | 79-41-4 |
| 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 .
Safety Conclusion
The conclusion for 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.
Conditions
Based on the available animal, clinical, and other data included in this report, the CIR Expert Panel concludes that Methacrylic Acid is safe as used as a nail primer by trained professionals, but there are insufficient data for retail use by consumers.
Formulation Reading
For formula review, begin with the exact INCI identity and the ingredient group covered by the CIR assessment. If the material is , 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 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 Methacrylic Acid1 Methacrylic Acid is an organic acid used at concentrations between 50, with source details retained at the bottom for audit.
Source
- CIR report: Final Report of the Safety Assessment of Methacrylic Acid1 Methacrylic Acid is an organic acid used at concentrations between 50 and 88 percent to pretreat the nail and maximize the adhesion between the nail and artificial nail extender
- CIR source file: PRS338.pdf
- Extraction JSON: CIR Safety Assessment Database
- Conclusion page in CIR extraction: 17