Is Trimethylpentyl Polysilsesquioxane safe in cosmetics?
Trimethylpentyl Polysilsesquioxane has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
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Cosmetic Ingredient
Trimethylpentyl Polysilsesquioxane
INCI: TRIMETHYLPENTYL POLYSILSESQUIOXANE
Trimethylpentyl Polysilsesquioxane (CAS Proprietary; related to polysilsesquioxane family (cf. polymethylsilsesquioxane CAS 68554-70-1)) is a cosmetic cosmetic ingredient functioning as Film forming, skin conditioning, texture enhancer. 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
Proprietary; related to polysilsesquioxane family (cf. polymethylsilsesquioxane CAS 68554-70-1)
View industrial chemical safety profile →
Function
Film forming, skin conditioning, texture enhancer
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for cosmetic 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 Trimethylpentyl Polysilsesquioxane.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Trimethylpentyl Polysilsesquioxane.
Frequently Asked Questions
Is Trimethylpentyl Polysilsesquioxane allowed in the EU?
Trimethylpentyl Polysilsesquioxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethylpentyl Polysilsesquioxane do in cosmetics?
Trimethylpentyl Polysilsesquioxane functions as: Film forming, skin conditioning, texture enhancer. It is classified as a cosmetic ingredient in our database. CAS number: Proprietary; related to polysilsesquioxane family (cf. polymethylsilsesquioxane CAS 68554-70-1).
Compliance Tools
Check Trimethylpentyl Polysilsesquioxane 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 Trimethylpentyl Polysilsesquioxane in Your Products?
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