Hydroxylauryl/Hydroxymyristyl Betaine

INCI: HYDROXYLAURYL/HYDROXYMYRISTYL BETAINE

CAS Number
Not individually confirmed — falls under alkyl betaines group
Function
Amphoteric surfactant, hair/skin conditioning, antistatic, viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — CIR reviewed alkyl betaines group

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CIR conditional safety — formulation must be non-irritating; monitor for DMAPA (dimethylaminopropylamine) impurities from betaine synthesis, a known contact sensitizer; betaine class may contain cocamidopropyl betaine cross-contaminants

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Hydroxylauryl/Hydroxymyristyl Betaine safe in cosmetics?

CIR conditional safety — formulation must be non-irritating; monitor for DMAPA (dimethylaminopropylamine) impurities from betaine synthesis, a known contact sensitizer; betaine class may contain cocamidopropyl betaine cross-contaminants The EU classifies Hydroxylauryl/Hydroxymyristyl Betaine as "permitted". Safety rating: GOOD.

Is Hydroxylauryl/Hydroxymyristyl Betaine allowed in the EU?

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

What does Hydroxylauryl/Hydroxymyristyl Betaine do in cosmetics?

Hydroxylauryl/Hydroxymyristyl Betaine functions as: Amphoteric surfactant, hair/skin conditioning, antistatic, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not individually confirmed — falls under alkyl betaines group.

What is the Margin of Safety for Hydroxylauryl/Hydroxymyristyl 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.

📱

Is Hydroxylauryl/Hydroxymyristyl Betaine in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Hydroxylauryl/Hydroxymyristyl Betaine in your formulation.