Ceteth-17

INCI: CETETH-17

CAS Number
9004-95-9
Function
Emulsifying, cleansing, solubilizing surfactant
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically named in original CIR 1999 report (covers Ceteth-1 through -45); included in 2012 alkyl PEG ethers re-review โ€” safe as used when formulated to be non-irritating

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 control; peroxide formation monitoring; not for damaged skin

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Concern Level: Moderate

Regulatory Flags

epa_safer_alternative

Frequently Asked Questions

Is Ceteth-17 safe in cosmetics?

1,4-dioxane control; peroxide formation monitoring; not for damaged skin The EU classifies Ceteth-17 as "permitted". Safety rating: MODERATE.

Is Ceteth-17 allowed in the EU?

Ceteth-17 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteth-17 do in cosmetics?

Ceteth-17 functions as: Emulsifying, cleansing, solubilizing surfactant. It is classified as a cosmetic ingredient in our database. CAS number: 9004-95-9.

What is the Margin of Safety for Ceteth-17?

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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