Good Cosmetic Ingredient NOAEL Data

Poloxamer 181

INCI: POLOXAMER 181

CAS Number
9003-11-6
Function
Surfactant, emulsifying agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR: safe as used (2008)

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Poloxamer 181. 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 25000 mg/kg bw/day oral rat Short Term Toxicity COSMOS_DB
NOAEL 30000 mg/kg bw/day oral rat Short Term Toxicity COSMOS_DB
NOAEL 480 mg/kg bw/day oral rat Short Term Toxicity COSMOS_DB
NOAEL 3000 mg/kg bw/day oral rat Short Term Toxicity COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 200 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 500 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 1000 mg/kg bw/day oral dog Subchronic COSMOS_DB
NOAEL 40 mg/kg bw/day oral dog Subchronic COSMOS_DB

Expert Verdict

Surfactant and emulsifying agent with adequate margin of safety; reported use concentrations 0.005–6% in moisturizers and skin care products.

⚠️
Concern Level: Low

Regulatory Flags

epa_safer_alternative fda_food_additive

Frequently Asked Questions

Is Poloxamer 181 safe in cosmetics?

Surfactant and emulsifying agent with adequate margin of safety; reported use concentrations 0.005–6% in moisturizers and skin care products. The EU classifies Poloxamer 181 as "permitted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is Poloxamer 181 allowed in the EU?

Poloxamer 181 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Poloxamer 181 do in cosmetics?

Poloxamer 181 functions as: Surfactant, emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: 9003-11-6.

What is the Margin of Safety for Poloxamer 181?

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 Poloxamer 181?

The NOAEL (No Observed Adverse Effect Level) for Poloxamer 181 is 25000 mg/kg bw/day based on a Short Term Toxicity study via oral route in rat. A total of 10 study endpoints are available. Source: COSMOS_DB.

Compliance Tools

Check Poloxamer 181 compliance across multiple jurisdictions:

🔬
Ingredient Decoder
Paste a full ingredient list for instant analysis
 🌸
82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
 🧮
MoS Calculator
Calculate Margin of Safety using SCCS methodology
 ⚗️
Heavy Metal Limits
Compare limits across jurisdictions

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