Steareth-5 Stearate

INCI: STEARETH-5 STEARATE

CAS Number
85066-57-5
Function
Skin conditioning agent; surfactant – emulsifying agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; covered under CIR alkyl PEG ether group assessment

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-Dioxane contamination from ethoxylation; limited individual tox data (relies on group read-across)

⚠️
Concern Level: Low

Frequently Asked Questions

Is Steareth-5 Stearate safe in cosmetics?

1,4-Dioxane contamination from ethoxylation; limited individual tox data (relies on group read-across) The EU classifies Steareth-5 Stearate as "permitted". Safety rating: GOOD.

Is Steareth-5 Stearate allowed in the EU?

Steareth-5 Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Steareth-5 Stearate do in cosmetics?

Steareth-5 Stearate functions as: Skin conditioning agent; surfactant – emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: 85066-57-5.

What is the Margin of Safety for Steareth-5 Stearate?

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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