Myristyl Betaine

INCI: MYRISTYL BETAINE

CAS Number
2601-33-4
Function
Surfactant (cleansing, foam boosting), antistatic, hair conditioning, skin conditioning, viscosity increasing (aqueous)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not prohibited/restricted under 21 CFR; CIR reviewed

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

GHS flags include skin irritation (H315, 77.4%), serious eye damage (H318, 54%), skin sensitization (H317, 37.3%), aquatic toxicity (H400, 26.4%); EPA Safer Chemical designation; formulate to be non-irritating per CIR

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Concern Level: Moderate

Regulatory Flags

potential-allergen epa_safer_alternative

Frequently Asked Questions

Is Myristyl Betaine safe in cosmetics?

GHS flags include skin irritation (H315, 77.4%), serious eye damage (H318, 54%), skin sensitization (H317, 37.3%), aquatic toxicity (H400, 26.4%); EPA Safer Chemical designation; formulate to be non-irritating per CIR The EU classifies Myristyl Betaine as "permitted". Safety rating: GOOD.

Is Myristyl Betaine allowed in the EU?

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

What does Myristyl Betaine do in cosmetics?

Myristyl Betaine functions as: Surfactant (cleansing, foam boosting), antistatic, hair conditioning, skin conditioning, viscosity increasing (aqueous). It is classified as a cosmetic ingredient in our database. CAS number: 2601-33-4.

What is the Margin of Safety for Myristyl 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.

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