RETINAL
✓ EU AllowedIdentification
CAS Number 116-31-4
EINECS / EC 204-135-8
CosIng Ref 59127
Chemical Name (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenal
IUPAC Name —
Formula C20H28O
Mol. Weight 284.4 g/mol
SMILES CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CC=O)C)C
InChIKey NCYCYZXNIZJOKI-OVSJKPMPSA-N
Function & Classification
Primary Function SKIN CONDITIONING
EU Regulatory Status
Safety Profile
Comedogenic Rating: 1/5
Low risk — should be fine for most skin types
Skin Type Compatibility
Acne-Prone ✓ Safe
Fungal Acne Safe ✓ Safe
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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