Dimethicone/Silsesquioxane Copolymer
INCI: DIMETHICONE/SILSESQUIOXANE COPOLYMER
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
Not directly CIR-reviewed as a copolymer; read-across data from related silsesquioxane crosspolymers show safety (HRIPT safe, non-irritating, non-sensitizing, Ames negative). If particulate form, confirm particle size >10 µm to avoid inhalation risk.
Regulatory Flags
Frequently Asked Questions
Is Dimethicone/Silsesquioxane Copolymer safe in cosmetics?
Not directly CIR-reviewed as a copolymer; read-across data from related silsesquioxane crosspolymers show safety (HRIPT safe, non-irritating, non-sensitizing, Ames negative). If particulate form, confirm particle size >10 µm to avoid inhalation risk. The EU classifies Dimethicone/Silsesquioxane Copolymer as "permitted". Safety rating: MODERATE.
Is Dimethicone/Silsesquioxane Copolymer allowed in the EU?
Dimethicone/Silsesquioxane Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Dimethicone/Silsesquioxane Copolymer do in cosmetics?
Dimethicone/Silsesquioxane Copolymer functions as: Skin conditioning, anti-caking, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (related: vinyl dimethicone/methicone silsesquioxane crosspolymer CAS 243137-53-3 or 153668-87-2).
What is the Margin of Safety for Dimethicone/Silsesquioxane Copolymer?
not established 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
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Related Ingredients
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