Ethers and Esters of Ascorbic Acid: CIR Safety Assessment Summary
CIR safety assessment summary for Ethers and Esters of Ascorbic Acid: ingredients reviewed, panel verdict, use concentration context, conditions, and sour.
Ethers and Esters of Ascorbic Acid appears in a CIR safety assessment covering Ethers and Esters of Ascorbic Acid. The panel verdict for the report is safe. The Expert Panel for Cosmetic Ingredient Safety concluded that the following 7 ethers and esters of ascorbic acid are safe in cosmetics in the present practices of use and concentration described in this safety assessment: Tetrahexyldecyl Ascorbate Ascorbyl Isostearate* Ascorbyl Linoleate Ascorbyl Tetraisopalmitate Ascorbyl Palmitate Ascorbyl Dipalmitate Ascorbyl Stearate *Not reported to be in current use.
| Field | CIR value |
|---|---|
| Primary ingredient | Ethers and Esters of Ascorbic Acid |
| CIR verdict | safe |
| Report type | Safety Assessment |
| Date | Toxicology 2022 |
| CAS numbers | 1445760-15-5, 161436-56-2, 183476-82-6, 28474-90-0, 121869-32-7, 137-66-6, 25395-66-8 |
| Use concentration context | present practices of use and concentration described in the safety assessment |
| Conditions or carve-outs | 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 Ethers and Esters of Ascorbic Acid.
Safety Conclusion
The conclusion for Ethers and Esters of Ascorbic Acid 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
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 Ethers and Esters of Ascorbic Acid, 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 Ethers and Esters of Ascorbic Acid 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 Ethers and Esters of Ascorbic Acid, with source details retained at the bottom for audit.
Review Notes
The conservative reading is to keep Ethers and Esters of Ascorbic Acid 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: Safety Assessment of Ethers and Esters of Ascorbic Acid as Used in Cosmetics Wilbur Johnson*, Ivan J. Boyer**, Wilma F. Bergfeld***, Donald V. Belsito***, Ronald A. Hill****, Curtis D. Klaassen***, Daniel C. Liebler***, James G. Marks****,
- CIR source file: PRS734.pdf
- Extraction JSON: CIR Safety Assessment Database
- Conclusion page in CIR extraction: 17