Cetearyl Dimethicone

INCI: CETEARYL DIMETHICONE

CAS Number
Not publicly assigned (silicone-alkyl hybrid polymer)
Function
Skin Conditioning – Emollient
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No restriction; dimethicone derivatives reviewed safe by CIR

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Verify supplier CoA for D4/D5 cyclic siloxane impurity content due to EU environmental regulations.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Cetearyl Dimethicone safe in cosmetics?

Verify supplier CoA for D4/D5 cyclic siloxane impurity content due to EU environmental regulations. The EU classifies Cetearyl Dimethicone as "permitted". Safety rating: MODERATE.

Is Cetearyl Dimethicone allowed in the EU?

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

What does Cetearyl Dimethicone do in cosmetics?

Cetearyl Dimethicone functions as: Skin Conditioning – Emollient. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (silicone-alkyl hybrid polymer).

What is the Margin of Safety for Cetearyl 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 Cetearyl 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 Cetearyl Dimethicone in your formulation.