Skip to content

Fragrance

GUAIACOL

CAS 90-05-1
40

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A smoky-medicinal phenol used as a fragrance, flavor, and antiseptic. PubChem flags oral toxicity plus skin and eye irritation; some classifications go higher to organ-damage warnings.

Function

PERFUMING

Skin benefits

  • Smoky-medicinal fragrance and flavor note
  • Used as antiseptic-aromatic in trace amounts
  • Building block in fragrance synthesis

Known concerns

  • GHS H302 harmful if swallowed
  • GHS H315 skin irritation, H319 serious eye irritation
  • Some sources list H318 serious eye damage and H370 organ damage
  • Phenolic — possible sensitizer and corrosive at high %

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related fragrances

40
2-PROPANOL/BORON TRIFLUORIDE/ETHYLIDENEBICYCLOHEPTENE
Fragrance
 40
ACETYLISOPROPYLTETRAMETHYLINDANE
Fragrance
 40
ALLYL OCTANOATE
Fragrance
 40
AMYL ACETATE
Fragrance
 40
ANGELICA ARCHANGELICA ROOT OIL
Fragrance
 40
ARTEMISIA DRACUNCULUS OIL
Fragrance
 40
ARTEMISIA MARITIMA HERB OIL
Fragrance
 40
CINNAMOMUM CAMPHORA FORMOSANA WOOD EXTRACT
Fragrance

Check your shelf

Find GUAIACOL in your products.

Scan any cosmetic product with LuxSense to see if it contains GUAIACOL and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.