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Fragrance

STYRAX TONKINENSIS RESIN OIL

CAS 9000-72-0 / 84012-39-5 Updated
50

Safety score · 0–100

Moderate

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

About

Resin oil from the benzoin tree (Styrax tonkinensis). Beautiful warm-balsamic perfume note but rich in cinnamates and benzoates that are documented contact allergens.

Function

PERFUMING

Skin benefits

  • Warm balsamic fragrance note
  • Traditional resin/incense aroma

Known concerns

  • Contains cinnamic acid esters – allergen risk
  • Photo/skin sensitiser potential
  • IFRA-restricted
  • Possible benzyl benzoate content

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 — always read the physical product label and consult a healthcare professional for personal concerns.