Epoxycyclohexylethyl Polysilsesquioxane

INCI: EPOXYCYCLOHEXYLETHYL POLYSILSESQUIOXANE

CAS Number
Not definitively assigned in INCI (related silicone CAS 102782-98-9 is for epoxycyclohexylethyl-terminated PDMS, which is a different polymer) [^1_6]
Function
Film forming / surface modifier (silicone resin hybrid)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific prohibition under 21 CFR

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual free epoxycyclohexyl monomer content must be controlled and tested; silicone polymers are generally well-tolerated but free monomer is a sensitization/mutagenicity risk; limited published CIR/SCCS safety assessment.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Epoxycyclohexylethyl Polysilsesquioxane safe in cosmetics?

Residual free epoxycyclohexyl monomer content must be controlled and tested; silicone polymers are generally well-tolerated but free monomer is a sensitization/mutagenicity risk; limited published CIR/SCCS safety assessment. The EU classifies Epoxycyclohexylethyl Polysilsesquioxane as "permitted". Safety rating: GOOD.

Is Epoxycyclohexylethyl Polysilsesquioxane allowed in the EU?

Epoxycyclohexylethyl Polysilsesquioxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Epoxycyclohexylethyl Polysilsesquioxane do in cosmetics?

Epoxycyclohexylethyl Polysilsesquioxane functions as: Film forming / surface modifier (silicone resin hybrid). It is classified as a cosmetic ingredient in our database. CAS number: Not definitively assigned in INCI (related silicone CAS 102782-98-9 is for epoxycyclohexylethyl-terminated PDMS, which is a different polymer) [^1_6].

What is the Margin of Safety for Epoxycyclohexylethyl Polysilsesquioxane?

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.

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