Excellent Emollient

Stearyl Dimethicone

INCI: STEARYL DIMETHICONE

CAS Number
67762-83-8
Function
emollient, structuring agent, emulsion stabilizer, wax substitute
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No FDA restriction; wax-like C18 alkyl-modified dimethicone; widely used as structuring agent in anhydrous and W/O systems

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

C18 alkyl-modified dimethicone wax produced by hydrosilylation of octadecene. Functions as structuring agent and wax substitute in lip products, sticks, and anhydrous formulations. Not subject to EU cyclic siloxane restrictions. Excellent safety profile with no dermal penetration potential. Provides emolliency and structure simultaneously, reducing formulation complexity.

โš ๏ธ
Concern Level: None

Regulatory Flags

non-volatile-silicone high-molecular-weight wax-solid structuring-agent cosmos-prohibited

Frequently Asked Questions

Is Stearyl Dimethicone safe in cosmetics?

C18 alkyl-modified dimethicone wax produced by hydrosilylation of octadecene. Functions as structuring agent and wax substitute in lip products, sticks, and anhydrous formulations. Not subject to EU cyclic siloxane restrictions. Excellent safety profile with no dermal penetration potential. Provides emolliency and structure simultaneously, reducing formulation complexity. The EU classifies Stearyl Dimethicone as "permitted". Safety rating: EXCELLENT.

Is Stearyl Dimethicone allowed in the EU?

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

What does Stearyl Dimethicone do in cosmetics?

Stearyl Dimethicone functions as: emollient, structuring agent, emulsion stabilizer, wax substitute. It is classified as a Emollient in our database. CAS number: 67762-83-8.

What is the Margin of Safety for Stearyl 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.

๐Ÿ“ฑ

Is Stearyl Dimethicone in Your Products?

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

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Stearyl Dimethicone in your formulation.