Steareth-200

INCI: STEARETH-200

CAS Number
9005-00-9 (generic)
Function
Surfactant – cleansing; surfactant – emulsifying
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted in cosmetics; covered under CIR Steareth group extrapolation

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-dioxane traces from ethoxylation; extremely high ethoxylation degree may increase 1,4-dioxane risk — verify vendor CoA for dioxane levels

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Concern Level: Low

Frequently Asked Questions

Is Steareth-200 safe in cosmetics?

1,4-dioxane traces from ethoxylation; extremely high ethoxylation degree may increase 1,4-dioxane risk — verify vendor CoA for dioxane levels The EU classifies Steareth-200 as "permitted". Safety rating: GOOD.

Is Steareth-200 allowed in the EU?

Steareth-200 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Steareth-200 do in cosmetics?

Steareth-200 functions as: Surfactant – cleansing; surfactant – emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 9005-00-9 (generic).

What is the Margin of Safety for Steareth-200?

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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