Bis-Stearyl Dimethicone

INCI: BIS-STEARYL DIMETHICONE

CAS Number
128446-57-1
Function
Film forming, skin protecting, emollient
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Final Report (2023): Assessed safe as used in cosmetics

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

Monitor for cyclosiloxane impurities (D4/D5/D6) under EU REACH SVHC rules, same as other dimethicone ingredients.

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Concern Level: Low

Frequently Asked Questions

Is Bis-Stearyl Dimethicone safe in cosmetics?

Monitor for cyclosiloxane impurities (D4/D5/D6) under EU REACH SVHC rules, same as other dimethicone ingredients. The EU classifies Bis-Stearyl Dimethicone as "permitted". Safety rating: EXCELLENT.

Is Bis-Stearyl Dimethicone allowed in the EU?

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

What does Bis-Stearyl Dimethicone do in cosmetics?

Bis-Stearyl Dimethicone functions as: Film forming, skin protecting, emollient. It is classified as a cosmetic ingredient in our database. CAS number: 128446-57-1.

What is the Margin of Safety for Bis-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.

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