Glycerin
✓ EU AllowedIdentification
CAS Number 56-81-5
EINECS / EC 200-289-5
CosIng Ref 34040
Chemical Name propane-1,2,3-triol
IUPAC Name —
Formula C3H8O3
Mol. Weight 92.09 g/mol
InChIKey PEDCQBHIVMGVHV-UHFFFAOYSA-N
Function & Classification
Primary Function Humectant
Secondary Functions HAIR CONDITIONING; HUMECTANT; ORAL CARE; SKIN PROTECTING; SOLVENT; VISCOSITY CONTROLLING; PERFUMING; FRAGRANCE; SKIN CONDITIONING - HUMECTANT
Origin Natural
Category Humectants
Manufacturer DSM Nutritional Products Europe Ltd
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
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 10000 mg/kg bw/day (oral, rat) CIR Expert Panel 2021 (Final Report)
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
Dermal Absorption 7.6%
LD₅₀ Oral 12600 mg/kg (rat)
LD₅₀ Dermal >10000 mg/kg (rabbit)
Skin Irritation (Draize) 0.0 / 4.0
Eye Irritation (Draize) 0.2 / 4.0
Formulation Guidelines
Usage Level 0.5% – 30%
pH Stability 2 – 5.5
Solubility completely miscible
Benefits Humectant; moisture retention; skin softening; solvent
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