Good Cosmetic Ingredient NOAEL Data

Lauryl Betaine

INCI: LAURYL BETAINE

CAS Number
683-10-3
Function
Surfactant, cleansing, emulsifying, hair conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR Expert Panel concluded safe in present practices when formulated to be non-irritating (2018). EPA Safer Chemical designation: Green circle (low concern)

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

3 study endpoints found for Lauryl Betaine. 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 350 mg/kg bw/day oral rat oral REACH
NOAEL 500 mg/kg bw/day oral rat oral REACH
NOAEL 250 mg/kg bw/day oral rat oral REACH

Expert Verdict

Concentration-dependent irritation: no irritation at 0.1%, but observed at โ‰ฅ1% in human studies. Ocular irritant at โ‰ฅ10%. Must formulate to be non-irritating. Cross-reactivity with cocamidopropyl betaine (CAPB) in sensitized individuals is a theoretical concern.

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Concern Level: Low

Regulatory Flags

potential-allergen eu_children_restricted epa_safer_alternative

Frequently Asked Questions

Is Lauryl Betaine safe in cosmetics?

Concentration-dependent irritation: no irritation at 0.1%, but observed at โ‰ฅ1% in human studies. Ocular irritant at โ‰ฅ10%. Must formulate to be non-irritating. Cross-reactivity with cocamidopropyl betaine (CAPB) in sensitized individuals is a theoretical concern. The EU classifies Lauryl Betaine as "permitted". Safety rating: GOOD. 3 toxicological study endpoint(s) are available in our database.

Is Lauryl Betaine allowed in the EU?

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

What does Lauryl Betaine do in cosmetics?

Lauryl Betaine functions as: Surfactant, cleansing, emulsifying, hair conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 683-10-3.

What is the Margin of Safety for Lauryl Betaine?

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 Lauryl Betaine?

The NOAEL (No Observed Adverse Effect Level) for Lauryl Betaine is 350 mg/kg bw/day based on a oral study via oral route in rat. A total of 3 study endpoints are available. Source: REACH.

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