Polymethylsilsesquioxane Crosspolymer

INCI: POLYMETHYLSILSESQUIOXANE CROSSPOLYMER

Function
Film former, opacifying agent, skin conditioning, soft-focus/mattifying agent
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Expert Panel reviewed 18 polysilsesquioxanes and concluded safe in present practices of use and concentration

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Potential cyclotetrasiloxane (D4) and cyclopentasiloxane (D5) trace impurities from synthesis require verification; D4 is restricted under EU REACH as SVHC.

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Concern Level: Low

Frequently Asked Questions

Is Polymethylsilsesquioxane Crosspolymer safe in cosmetics?

Potential cyclotetrasiloxane (D4) and cyclopentasiloxane (D5) trace impurities from synthesis require verification; D4 is restricted under EU REACH as SVHC. The EU classifies Polymethylsilsesquioxane Crosspolymer as "permitted". Safety rating: EXCELLENT.

Is Polymethylsilsesquioxane Crosspolymer allowed in the EU?

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

What does Polymethylsilsesquioxane Crosspolymer do in cosmetics?

Polymethylsilsesquioxane Crosspolymer functions as: Film former, opacifying agent, skin conditioning, soft-focus/mattifying agent. It is classified as a cosmetic ingredient in our database.

What is the Margin of Safety for Polymethylsilsesquioxane Crosspolymer?

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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