Is Ethyl Polysilsesquioxane safe in cosmetics?
Ethyl Polysilsesquioxane has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
GOOD
Cosmetic Ingredient
Ethyl Polysilsesquioxane
INCI: ETHYL POLYSILSESQUIOXANE
Ethyl Polysilsesquioxane (CAS Not uniquely assigned (polysilsesquioxane family; related to CosIng listing)) is a cosmetic cosmetic ingredient functioning as Film forming, skin conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
CAS Number
Not uniquely assigned (polysilsesquioxane family; related to CosIng listing)
View industrial chemical safety profile →
Function
Film forming, skin conditioning
Editorial assessment
GOOD
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — CIR Expert Panel reviewed polysilsesquioxane class (2017)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ethyl Polysilsesquioxane.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Ethyl Polysilsesquioxane — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is Ethyl Polysilsesquioxane allowed in the EU?
Ethyl Polysilsesquioxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ethyl Polysilsesquioxane do in cosmetics?
Ethyl Polysilsesquioxane functions as: Film forming, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (polysilsesquioxane family; related to CosIng listing).
Compliance Tools
Check Ethyl Polysilsesquioxane compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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Is Ethyl Polysilsesquioxane in Your Products?
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Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Ethyl Polysilsesquioxane in your formulation.