Body & Beauty / Compounds / Massoia bark oil

Massoia bark oil on your skin: a safety profile

High risk

(People-specific data is limited; this page draws from human adult context.) Highly irritant (massoia lactone/C-10); potential phototoxin; causes severe chemical burns on undiluted skin contact; IFRA restricted; used in coconut-note fragrances

What is massoia bark oil?

CAS number
85085-26-3

Risk for people

High risk

Highly irritant (massoia lactone/C-10); potential phototoxin; causes severe chemical burns on undiluted skin contact; IFRA restricted; used in coconut-note fragrances

Regulatory consensus

1 regulatory bodyhas classified Massoia bark oil.

AgencyYearClassificationNotes
Unknown——

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where you encounter massoia bark oil

  • Personal Care — perfume (niche)
  • Food — flavoring (traditional Southeast Asian)
  • Fragrance — perfume, cologne, scented personal care products, household fragrance products, candles
    Identified in Fragrance Ingredient Safety Priority Research database (2,325 ingredients)

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Massoia bark oil:

  • Avoidance (no chemical substitute)
    Trade-offs: Direct chemical substitution requires verification that the replacement does not introduce new hazards (regrettable substitution). Conduct full hazard assessment of proposed alternative before adoption.
    Relative cost: 1.2-2×

Frequently asked questions

What products contain massoia bark oil?

Massoia bark oil appears in: perfume (niche) (Personal care); flavoring (traditional Southeast Asian) (Food); perfume (Fragrance); cologne (Fragrance).

See Massoia bark oil in the body app

Look up products containing massoia bark oil, compare to alternatives, and explore the full data record.

Open in body View raw API data

Sources (1)
  1. PubChem Compound Database (2026) — database

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →