Polyphenylsilsesquioxane

INCI: POLYPHENYLSILSESQUIOXANE

CAS Number
63148-59-4 (commonly assigned)
Function
Film forming agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use

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

Minimal concerns; silicone-based polymer with inert characteristics; no significant toxicological flags reported

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Concern Level: Low

Frequently Asked Questions

Is Polyphenylsilsesquioxane safe in cosmetics?

Minimal concerns; silicone-based polymer with inert characteristics; no significant toxicological flags reported The EU classifies Polyphenylsilsesquioxane as "permitted". Safety rating: GOOD.

Is Polyphenylsilsesquioxane allowed in the EU?

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

What does Polyphenylsilsesquioxane do in cosmetics?

Polyphenylsilsesquioxane functions as: Film forming agent. It is classified as a cosmetic ingredient in our database. CAS number: 63148-59-4 (commonly assigned).

What is the Margin of Safety for Polyphenylsilsesquioxane?

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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