Is Stearyl Betaine safe in cosmetics?
Stearyl Betaine has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Stearyl Betaine
Also known as: Ammonium, (carboxymethyl)dimethyloctadecyl-, hydroxide, inner salt, Anfoterico SB, (Carboxymethyl)octadecyldimethylammonium hydroxide inner salt, N,N-Dimethyl-N-octadecylammonioacetic acid inner salt, EINECS 212-470-6 (+7 more)
INCI: STEARYL BETAINE
Stearyl Betaine (CAS 820-66-6) is a cosmetic cosmetic ingredient functioning as Surfactant (amphoteric), Skin Conditioning, Antistatic. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 820-66-6 →
Auto-generated CPSR Part A draft with source citations
Function
Surfactant (amphoteric), Skin Conditioning, Antistatic
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
2-[dimethyl(octadecyl)azaniumyl]acetate
InChIKey
HVYJSOSGTDINLW-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not restricted
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Stearyl Betaine.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
surfactant
{"cas_number": "87800-100-0", "surfactant_type": "amphoteric", "chemical_class": "betaine", "charge_at_use_ph": "zwitterionic", "cmc_critical_micelle_concentration_mm": "0.08642002648633376", "hlb_value": "19.0", "foam_volume_ml_ross_miles": "146", "foam_quality": "creamy", "foam_stability_5min_pct": "79", "cleansing_power_rating_1_to_10": "6.275054960514911", "oil_emulsification_capacity": "good"…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Cleaning agent
Foamant
Softener and conditioner
Surfactant (surface active agent)
Viscosity modifier
Expert Verdict
Expert safety assessment and concern-level summary for Stearyl Betaine.
Regulatory Flags
potential-allergen
Known Synonyms
Ammonium, (carboxymethyl)dimethyloctadecyl-, hydroxide, inner salt
Anfoterico SB
(Carboxymethyl)octadecyldimethylammonium hydroxide inner salt
N,N-Dimethyl-N-octadecylammonioacetic acid inner salt
EINECS 212-470-6
Lonzaine 18S
NSC 36343
NSC 9859
Product ODN
N-Stearylbetaine
Stearyldimethylbetaine
UNII-0J4V7PZ3Q6
Chemical Function
Surfactant (surface active agent)
Anti-static agent
Softener and conditioner
Viscosity modifier
Cleaning agent
Foamant
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Stearyl Betaine allowed in the EU?
Stearyl Betaine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Stearyl Betaine do in cosmetics?
Stearyl Betaine functions as: Surfactant (amphoteric), Skin Conditioning, Antistatic. It is classified as a cosmetic ingredient in our database. CAS number: 820-66-6.
Compliance Tools
Check Stearyl Betaine 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 multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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