Steareth-9 Stearate

INCI: STEARETH-9 STEARATE

CAS Number
Not individually assigned (PEG-9 stearyl ether stearate)
Function
Emulsifier, skin conditioning agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not individually CIR-reviewed; falls under broader PEG/Steareth and PEG esters safety assessments

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Ethoxylation residuals (1,4-dioxane); limited individual safety data โ€” safety assessor should perform read-across justification

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Concern Level: Low

Frequently Asked Questions

Is Steareth-9 Stearate safe in cosmetics?

Ethoxylation residuals (1,4-dioxane); limited individual safety data โ€” safety assessor should perform read-across justification The EU classifies Steareth-9 Stearate as "permitted". Safety rating: GOOD.

Is Steareth-9 Stearate allowed in the EU?

Steareth-9 Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Steareth-9 Stearate do in cosmetics?

Steareth-9 Stearate functions as: Emulsifier, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (PEG-9 stearyl ether stearate).

What is the Margin of Safety for Steareth-9 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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