Moderate Cosmetic Ingredient NOAEL Data

Ceteareth-17

INCI: CETEARETH-17

CAS Number
68439-49-6
Function
Surfactant – emulsifying (O/W); Cleansing
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes CIR-assessed as safe as used

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Ceteareth-17. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 800 mg/kg bw/day oral rat oral REACH
NOAEL 800 mg/kg bw/day oral rat oral REACH

Expert Verdict

1,4-dioxane control required; avoid on damaged skin

⚠️
Concern Level: Moderate

Regulatory Flags

eu_children_restricted epa_safer_alternative

Frequently Asked Questions

Is Ceteareth-17 safe in cosmetics?

1,4-dioxane control required; avoid on damaged skin The EU classifies Ceteareth-17 as "restricted". Safety rating: MODERATE. 2 toxicological study endpoint(s) are available in our database.

Is Ceteareth-17 allowed in the EU?

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

What does Ceteareth-17 do in cosmetics?

Ceteareth-17 functions as: Surfactant – emulsifying (O/W); Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 68439-49-6.

What is the Margin of Safety for Ceteareth-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.

What is the NOAEL for Ceteareth-17?

The NOAEL (No Observed Adverse Effect Level) for Ceteareth-17 is 800 mg/kg bw/day based on a oral study via oral route in rat. A total of 2 study endpoints are available. Source: REACH.

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