C20-28 Alkyl Perfluorodecylethoxy Dimethicone

INCI: C20-28 ALKYL PERFLUORODECYLETHOXY DIMETHICONE

CAS Number
Not assigned (CosIng: "–")
Function
Skin conditioning, water/oil repellency, film forming
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Insufficient data — cannot calculate MoS without absorption/NOAEL data

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

PFAS ingredient on Boots Group Restricted Substances List; EU-wide PFAS restriction proposal under ECHA review could ban all per/polyfluoroalkyl substances in cosmetics; FDA data gap assessment; environmental persistence concern; potential CPSR rejection without robust safety dossier

⚠️
Concern Level: High

Frequently Asked Questions

Is C20-28 Alkyl Perfluorodecylethoxy Dimethicone safe in cosmetics?

PFAS ingredient on Boots Group Restricted Substances List; EU-wide PFAS restriction proposal under ECHA review could ban all per/polyfluoroalkyl substances in cosmetics; FDA data gap assessment; environmental persistence concern; potential CPSR rejection without robust safety dossier The EU classifies C20-28 Alkyl Perfluorodecylethoxy Dimethicone as "prohibited". Safety rating: POOR.

Is C20-28 Alkyl Perfluorodecylethoxy Dimethicone allowed in the EU?

C20-28 Alkyl Perfluorodecylethoxy Dimethicone EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does C20-28 Alkyl Perfluorodecylethoxy Dimethicone do in cosmetics?

C20-28 Alkyl Perfluorodecylethoxy Dimethicone functions as: Skin conditioning, water/oil repellency, film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (CosIng: "–").

What is the Margin of Safety for C20-28 Alkyl Perfluorodecylethoxy Dimethicone?

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.

📱

Is C20-28 Alkyl Perfluorodecylethoxy Dimethicone in Your Products?

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

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for C20-28 Alkyl Perfluorodecylethoxy Dimethicone in your formulation.