Perfluorobutylethyl Dimethicone

INCI: PERFLUOROBUTYLETHYL DIMETHICONE

CAS Number
Not widely assigned (polymer)
Function
Skin-conditioning agent, emollient, anti-foaming agent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR reviewed dimethicone family and concluded safe when non-irritating, but insufficient data for airbrush/inhalation. FDA PFAS data gaps apply.

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

PFAS persistence creates environmental and bioaccumulation concerns; avoid use in aerosolized or airbrush applications due to inhalation risk and insufficient safety data. Restricted by major retailers including Boots, Inditex, and H&M.

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Concern Level: High

Frequently Asked Questions

Is Perfluorobutylethyl Dimethicone safe in cosmetics?

PFAS persistence creates environmental and bioaccumulation concerns; avoid use in aerosolized or airbrush applications due to inhalation risk and insufficient safety data. Restricted by major retailers including Boots, Inditex, and H&M. The EU classifies Perfluorobutylethyl Dimethicone as "permitted". Safety rating: MODERATE.

Is Perfluorobutylethyl Dimethicone allowed in the EU?

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

What does Perfluorobutylethyl Dimethicone do in cosmetics?

Perfluorobutylethyl Dimethicone functions as: Skin-conditioning agent, emollient, anti-foaming agent. It is classified as a cosmetic ingredient in our database. CAS number: Not widely assigned (polymer).

What is the Margin of Safety for Perfluorobutylethyl Dimethicone?

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.

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