Ascorbic Acid
✓ EU AllowedIdentification
CAS Number 50-81-7
EINECS / EC 200-066-2
Chemical Name (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
IUPAC Name —
Formula C6H8O6
Mol. Weight 176.12 g/mol
SMILES C(C(C1C(=C(C(=O)O1)O)O)O)O
InChIKey CIWBSHSKHKDKBQ-JLAZNSOCSA-N
Function & Classification
Primary Function Antioxidant
Secondary Functions Skin Protecting, Moisturising
Origin Synthetic
Category Vitamins & Antioxidants
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 2000 mg/kg bw/day (oral, rat) CIR 2005 / EFSA
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
Dermal Absorption 5%
LD₅₀ Oral 11900 mg/kg (rat)
Skin Irritation (Draize) 0.3 / 4.0
Eye Irritation (Draize) 0.8 / 4.0
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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