Butyl Polyoxyalkylene Ethers: CIR Safety Assessment Summary
CIR safety assessment summary for Butyl Polyoxyalkylene Ethers: ingredients reviewed, panel verdict, use concentration context, conditions, and source cit.
Butyl Polyoxyalkylene Ethers appears in a CIR safety assessment covering Butyl Polyoxyalkylene Ethers. The panel verdict for the report is safe with restrictions. The Expert Panel for Cosmetic Ingredient Safety concluded that the following butyl polyoxyalkylene ethers safe in the present practices of use and concentration in cosmetics when formulated to be non-irritating: Buteth-3 PPG-2-Buteth-1* PPG-2-Buteth-2* PPG-2-Buteth-3* PPG-3-Buteth-5* PPG-4-Buteth-4* PPG-5-Buteth-5 PPG-5-Buteth-7* PPG-7-Buteth-4 PPG-7-Buteth-10 PPG-9-Buteth-12 PPG-10-Buteth-9* PPG-12-Buteth-12*.
| Field | CIR value |
|---|---|
| Primary ingredient | Butyl Polyoxyalkylene Ethers |
| CIR verdict | safe with restrictions |
| Report type | Safety Assessment |
| Date | 2 In 2000 |
| CAS numbers | 29387-86-8, 5131-66-8, 15821-83-7, 9003-13-8, 55934-93-5, 9038-95-3, 9065-63-8, 143-22-6 |
| Use concentration context | present practices of use and concentration described in the safety assessment |
| Conditions or carve-outs | When formulated to be non-irritating; Not reported to be in current use |
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 Butyl Polyoxyalkylene Ethers.
Safety Conclusion
The conclusion for Butyl Polyoxyalkylene Ethers 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: present practices of use and concentration described in the safety assessment. That language is the safe-use context shown for this page.
Conditions
When formulated to be non-irritating; Not reported to be in current use
Formulation Reading
For formula review, begin with the exact INCI identity and the ingredient group covered by the CIR assessment. If the material is Butyl Polyoxyalkylene Ethers, 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 Butyl Polyoxyalkylene Ethers 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 Butyl Polyoxyalkylene Ethers, with source details retained at the bottom for audit.
Review Notes
The conservative reading is to keep Butyl Polyoxyalkylene Ethers 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: Amended Safety Assessment of Butyl Polyoxyalkylene Ethers as Used in Cosmetics Monice M. Fiume*, Wilma F. Bergfeld**, Donald V. Belsito**, Ronald A. Hill***, Curtis D. Klaassen**, Daniel C. Liebler**, James G. Marks Jr.***, Ronald C. Shank*
- CIR source file: PRS726.pdf
- Extraction JSON: CIR Safety Assessment Database
- Conclusion page in CIR extraction: 37