Dimethicone Crosspolymers: CIR Safety Assessment Summary
CIR safety assessment summary for Dimethicone Crosspolymers: ingredients reviewed, panel verdict, use concentration context, conditions, and source citati.
Dimethicone Crosspolymers appears in a CIR safety assessment covering Dimethicone Crosspolymers. The panel verdict for the report is safe with restrictions. Reference Acrylates copolymer Safe for use in cosmetic ingredients when formulated to avoid skin irritation 40 Dimethicone, methicone, vinyl dimethicone Safe as a cosmetic ingredient 2 PEG-8, -10, -15, -12 Safe in the present practices of use and concentration 41 Polysorbate 20 Safe as a cosmetic ingredient in the concentration of present use 42 PPG-20 Safe for use in cosmetic products at concentrations up to 50%. Idealized structures of the dimethicone crosspolymers ingredients in this safety assessment.
| Field | CIR value |
|---|---|
| Primary ingredient | Dimethicone Crosspolymers |
| CIR verdict | safe with restrictions |
| Report type | Safety Assessment |
| Date | 2014 |
| CAS numbers | 443892-05-5, 330809-27-3, 389082-70-6, 756876-51-4, 213629-14-2 |
| Use concentration context | up to 50% |
| Conditions or carve-outs | Reference Acrylates copolymer Safe for use in cosmetic ingredients when formulated to avoid skin irritation 40 Dimethicone, methicone, vinyl dimethicone Safe as a cosmetic ingredient 2 PEG-8, -10, -15, -12 Safe in the present practices of use and concentration 41 Polysorbate 20 Safe as a cosmetic ingredient in the concentration of present use 42 PPG-20 Safe for use in cosmetic products at concentrations up to 50%. |
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 Dimethicone Crosspolymers.
Safety Conclusion
The conclusion for Dimethicone Crosspolymers 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: up to 50%. That language is the safe-use context shown for this page.
Formulation Reading
For formula review, begin with the exact INCI identity and the ingredient group covered by the CIR assessment. If the material is Dimethicone Crosspolymers, 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 Dimethicone Crosspolymers 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 Dimethicone Crosspolymers, with source details retained at the bottom for audit.
Source
- CIR report: Safety Assessment of Dimethicone Crosspolymers as Used in Cosmetics Lillian C. Becker1, Wilma F. Bergfeld2, Donald V. Belsito2, Ronald A. Hill2, Curtis D. Klaassen2, Daniel C. Liebler2, James G. Marks Jr2, Ronald C. Shank2, Thomas J. Slaga2
- CIR source file: PRS619.pdf
- Extraction JSON: Source documentation archived.
- Conclusion page in CIR extraction: 7