Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Silicone-based film former that is non-comedogenic, inert, and well-tolerated with no significant safety flags.
Frequently Asked Questions
Is Ethyl Polysilsesquioxane safe in cosmetics?
Silicone-based film former that is non-comedogenic, inert, and well-tolerated with no significant safety flags. The EU classifies Ethyl Polysilsesquioxane as "permitted". Safety rating: GOOD.
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).
What is the Margin of Safety for Ethyl Polysilsesquioxane?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Ethyl Polysilsesquioxane compliance across multiple jurisdictions:
Related Ingredients
Is Ethyl Polysilsesquioxane in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Ethyl Polysilsesquioxane in your formulation.