Good Cosmetic Ingredient

Arachidyl/Behenyl Betainate Esylate

INCI: ARACHIDYL/BEHENYL BETAINATE ESYLATE

CAS Number
Not publicly assigned (proprietary quaternary ammonium salt)
Function
Hair conditioning; antistatic
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; no FDA prohibition. Limited standalone CIR data; assessed under the broader category of quaternary ammonium compounds.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Esylate (ethanesulfonate) counterion has been flagged by EMA as a potentially genotoxic impurity in pharmaceuticals, but at typical cosmetic use levels this is generally not a concern; sourcing and impurity control should be documented.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Arachidyl/Behenyl Betainate Esylate safe in cosmetics?

Esylate (ethanesulfonate) counterion has been flagged by EMA as a potentially genotoxic impurity in pharmaceuticals, but at typical cosmetic use levels this is generally not a concern; sourcing and impurity control should be documented. The EU classifies Arachidyl/Behenyl Betainate Esylate as "permitted". Safety rating: GOOD.

Is Arachidyl/Behenyl Betainate Esylate allowed in the EU?

Arachidyl/Behenyl Betainate Esylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Arachidyl/Behenyl Betainate Esylate do in cosmetics?

Arachidyl/Behenyl Betainate Esylate functions as: Hair conditioning; antistatic. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (proprietary quaternary ammonium salt).

What is the Margin of Safety for Arachidyl/Behenyl Betainate Esylate?

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.

Compliance Tools

Check Arachidyl/Behenyl Betainate Esylate 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

Related Ingredients

Hydroxypropyl Bisoleyldimonium Chloride
Moderate
Tallow Trihydroxyethylammonium Acetate
Good
Diallyldimethyl Ammonium Chloride (DADMAC)
Moderate
Quaternium-27
Moderate
Steartrimonium Saccharinate
Good
Browse all 30,000+ ingredients →
📱

Is Arachidyl/Behenyl Betainate Esylate 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 Arachidyl/Behenyl Betainate Esylate in your formulation.

Ingredient Decoder MoS Calculator