Good Cosmetic Ingredient NOAEL Data

C10-16 Pareth-1

INCI: C10-16 ALKETH-1

CAS Number
68002-97-1
Function
Cleansing, Skin conditioning – Emollient, Surfactant – Cleansing
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Adequate at typical use concentrations (surfactant formulations)

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

9 study endpoints found for C10-16 Pareth-1. 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 >=500 mg/kg bw/day oral rat oral REACH
NOAEL >=500 mg/kg bw/day oral - oral REACH
NOAEL 1000 mg/kg bw/day other rat oral REACH
NOAEL >=500 mg/kg bw/day oral dog oral REACH
NOAEL >=1000 mg/kg bw/day oral rat oral REACH
NOAEL >=2000 mg/kg bw/day oral rat oral REACH
NOAEL 750 mg/kg bw/day oral rat oral REACH
NOAEL >=150 mg/kg bw/day oral rat oral REACH
NOAEL 100 mg/kg bw/day oral - oral REACH

Expert Verdict

1,4-Dioxane residual contamination must be tested (≤10 ppm per industry standard). Ethylene oxide residuals must be below detection limits.

⚠️
Concern Level: Low

Regulatory Flags

epa_safer_alternative

Frequently Asked Questions

Is C10-16 Pareth-1 safe in cosmetics?

1,4-Dioxane residual contamination must be tested (≤10 ppm per industry standard). Ethylene oxide residuals must be below detection limits. The EU classifies C10-16 Pareth-1 as "permitted". Safety rating: GOOD. 9 toxicological study endpoint(s) are available in our database.

Is C10-16 Pareth-1 allowed in the EU?

C10-16 Pareth-1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C10-16 Pareth-1 do in cosmetics?

C10-16 Pareth-1 functions as: Cleansing, Skin conditioning – Emollient, Surfactant – Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 68002-97-1.

What is the Margin of Safety for C10-16 Pareth-1?

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.

What is the NOAEL for C10-16 Pareth-1?

The NOAEL (No Observed Adverse Effect Level) for C10-16 Pareth-1 is >=500 mg/kg bw/day based on a oral study via oral route in rat. A total of 9 study endpoints are available. Source: REACH.

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