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Fragrance

7-METHYL-3-METHYLENE-1,6-OCTADIENE HYDROCARBONS

CAS 90480-40-3
55

Safety score · 0–100

Moderate

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

A terpene fragrance ingredient (myrcene-family hydrocarbons). Smells nice but oxidises in air into known skin sensitisers — best in rinse-off, kept fresh, and used cautiously on reactive skin.

Function

PERFUMING

Skin benefits

  • Terpene fragrance contribution
  • Aligns with natural-ingredient marketing
  • Compatible with essential-oil blends

Known concerns

  • Oxidises on air exposure into known sensitisers
  • Skin sensitisation risk in leave-on products
  • Possible EU fragrance allergen declaration
  • Caution on reactive or compromised skin

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.