Cycloethoxymethicone

INCI: CYCLOETHOXYMETHICONE

CAS Number
Not uniquely assigned in major public databases (sometimes grouped under proprietary silicone blends).
Function
Emollient, skin conditioning agent, solvent - an ethoxylated cyclic silicone that combines volatile silicone aesthetics with improved water compatibility.
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - not prohibited or restricted under FDA cosmetic ingredient regulations.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Shares the general silicone safety profile. Primary concern relates to D4 content if present - D4 is a suspected endocrine disruptor and classified as bioaccumulative in the EU.. Provides a lighter, less occlusive feel than standard cyclomethicone; improved compatibility with aqueous-phase ingredients due to ethoxy modification.

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Concern Level: Moderate

Frequently Asked Questions

Is Cycloethoxymethicone safe in cosmetics?

Shares the general silicone safety profile. Primary concern relates to D4 content if present - D4 is a suspected endocrine disruptor and classified as bioaccumulative in the EU.. Provides a lighter, less occlusive feel than standard cyclomethicone; improved compatibility with aqueous-phase ingredients due to ethoxy modification. The EU classifies Cycloethoxymethicone as "permitted". Safety rating: MODERATE.

Is Cycloethoxymethicone allowed in the EU?

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

What does Cycloethoxymethicone do in cosmetics?

Cycloethoxymethicone functions as: Emollient, skin conditioning agent, solvent - an ethoxylated cyclic silicone that combines volatile silicone aesthetics with improved water compatibility.. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned in major public databases (sometimes grouped under proprietary silicone blends)..

What is the Margin of Safety for Cycloethoxymethicone?

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.

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