Is Trimethylsiloxy/Polymethylsilsesquioxane safe in cosmetics?
Trimethylsiloxy/Polymethylsilsesquioxane has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Trimethylsiloxy/Polymethylsilsesquioxane
INCI: TRIMETHYLSILOXY/POLYMETHYLSILSESQUIOXANE
Trimethylsiloxy/Polymethylsilsesquioxane (CAS Not definitively assigned as a single CAS; base component polymethylsilsesquioxane is 68554-70-1) is a cosmetic cosmetic ingredient functioning as Anticaking, Binding, Skin Conditioning, Emollient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not definitively assigned as a single CAS; base component polymethylsilsesquioxane is 68554-70-1
View industrial chemical safety profile →
Function
Anticaking, Binding, Skin Conditioning, Emollient
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; reported in VCRP; CIR reviewed polysilsesquioxanes as safe in present practices of use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethylsiloxy/Polymethylsilsesquioxane.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Trimethylsiloxy/Polymethylsilsesquioxane.
Frequently Asked Questions
Is Trimethylsiloxy/Polymethylsilsesquioxane allowed in the EU?
Trimethylsiloxy/Polymethylsilsesquioxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethylsiloxy/Polymethylsilsesquioxane do in cosmetics?
Trimethylsiloxy/Polymethylsilsesquioxane functions as: Anticaking, Binding, Skin Conditioning, Emollient. It is classified as a cosmetic ingredient in our database. CAS number: Not definitively assigned as a single CAS; base component polymethylsilsesquioxane is 68554-70-1.
Compliance Tools
Check Trimethylsiloxy/Polymethylsilsesquioxane compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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Is Trimethylsiloxy/Polymethylsilsesquioxane in Your Products?
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