Betaine
✓ EU AllowedIdentification
CAS Number 107-43-7
EINECS / EC 203-490-6
CosIng Ref 74520
Chemical Name 2-(trimethylazaniumyl)acetate
IUPAC Name —
Formula C5H11NO2
Mol. Weight 117.15 g/mol
InChIKey KWIUHFFTVRNATP-UHFFFAOYSA-N
Function & Classification
Primary Function Humectant
Secondary Functions HUMECTANT; SKIN CONDITIONING - HUMECTANT
Origin Synthetic
Category Amino Acids & Peptides
Manufacturer AAK (AAKO B.V.)
EU Regulatory Status
Safety Profile
1 / 10
Comedogenic Rating: 0/5
Will not clog pores — safe for acne-prone skin
Skin Type Compatibility
Acne-Prone ✓ Safe
Dry Skin ✓ Beneficial
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 5000 mg/kg bw/day (oral, rat) CIR 2019 / FDA GRAS
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
LD₅₀ Oral >5000 mg/kg (rat)
Skin Irritation (Draize) 0.0 / 4.0
Eye Irritation (Draize) 0.2 / 4.0
Formulation Guidelines
Solubility in water of a
Benefits Foam stability; moisturizing
Suppliers & Documents
AAK (AAKO B.V.) 🇳🇱 Netherlands
Safic Alkan 🇹🇷 Turkey
Documents