Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer

INCI: POLYMETHYL/OCTYL/PHENYL/PROPYLSILSESQUIOXANE DIMETHICONE CROSSPOLYMER

CAS Number
Not publicly assigned (complex crosslinked silicone copolymer)
Function
Film forming; skin conditioning; texture enhancer (silsesquioxane/dimethicone hybrid)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted; falls under CIR polysilsesquioxane family review

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

Limited individual toxicological data; safety inferred from structural class. Verify supplier certificate of analysis for residual monomers.

โš ๏ธ
Concern Level: Low

Frequently Asked Questions

Is Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer safe in cosmetics?

Limited individual toxicological data; safety inferred from structural class. Verify supplier certificate of analysis for residual monomers. The EU classifies Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer as "permitted". Safety rating: GOOD.

Is Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer allowed in the EU?

Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer do in cosmetics?

Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer functions as: Film forming; skin conditioning; texture enhancer (silsesquioxane/dimethicone hybrid). It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (complex crosslinked silicone copolymer).

What is the Margin of Safety for Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone 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.

๐Ÿ“ฑ

Is Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Polymethyl/Octyl/Phenyl/Propylsilsesquioxane Dimethicone Crosspolymer in your formulation.