Polycaprylylsilsesquioxane

INCI: POLYCAPRYLYLSILSESQUIOXANE

CAS Number
Not widely published; silsesquioxane polymer class
Function
Film former; skin conditioning agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Expert Panel reviewed 18 polysilsesquioxanes and concluded them 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)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Verify this specific INCI was included in the CIR 2017 assessment (Polymethylsilsesquioxane had the most data; read-across was applied). Inhalation exposure assessment required for spray products.

โš ๏ธ
Concern Level: Low

Frequently Asked Questions

Is Polycaprylylsilsesquioxane safe in cosmetics?

Verify this specific INCI was included in the CIR 2017 assessment (Polymethylsilsesquioxane had the most data; read-across was applied). Inhalation exposure assessment required for spray products. The EU classifies Polycaprylylsilsesquioxane as "permitted". Safety rating: GOOD.

Is Polycaprylylsilsesquioxane allowed in the EU?

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

What does Polycaprylylsilsesquioxane do in cosmetics?

Polycaprylylsilsesquioxane functions as: Film former; skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: Not widely published; silsesquioxane polymer class.

What is the Margin of Safety for Polycaprylylsilsesquioxane?

adequate 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 Polycaprylylsilsesquioxane 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 Polycaprylylsilsesquioxane in your formulation.