Decyl Dimethicone

INCI: DECYL DIMETHICONE

Decyl Dimethicone (CAS Not uniquely assigned (falls under polydimethylsiloxane derivatives group)) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent (emollient), hair conditioning, antifoaming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS Not uniquely assigned (falls under polydimethylsiloxane derivatives group) →

CAS Number
Not uniquely assigned (falls under polydimethylsiloxane derivatives group)
View industrial chemical safety profile →
Function
Skin conditioning agent (emollient), hair conditioning, antifoaming
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — CIR Expert Panel concluded dimethicone and methicone group ingredients safe as used in cosmetics

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Decyl Dimethicone.

Calculate MoS for your specific formulation with the MoS Calculator.

Editorial summary

Preliminary editorial summary for Decyl Dimethicone — not a computed safety verdict. See the sourced toxicological data above.

Frequently Asked Questions

Is Decyl Dimethicone safe in cosmetics?

Decyl Dimethicone has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Decyl Dimethicone allowed in the EU?

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

What does Decyl Dimethicone do in cosmetics?

Decyl Dimethicone functions as: Skin conditioning agent (emollient), hair conditioning, antifoaming. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (falls under polydimethylsiloxane derivatives group).

Is Decyl 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 Decyl Dimethicone in your formulation.