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Fragrance

PRENOL

CAS 556-82-1
55

Safety score · 0–100

Moderate

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

A small unsaturated alcohol (3-methyl-2-buten-1-ol) used as a fragrance and flavor ingredient. Concentrate is irritating but cosmetic use is at trace levels.

Function

PERFUMING

Skin benefits

  • Fragrance and flavor ingredient
  • Used at trace levels

Known concerns

  • GHS: serious eye damage (H318)
  • Skin irritation (H315)
  • Flammable liquid
  • Use only at low fragrance percentages

References

EU

EU CosIng database

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

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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.