Baby Safety / Compounds / Massoia bark oil

Is Massoia bark oil safe for babies and kids?

Severe risk for kids

Not medical or professional safety advice, and not a substitute for a qualified clinician — consult one. Full disclaimer →

Infants are highly susceptible to Massoia bark oil due to lower body weight, immature detoxification pathways, and dietary exposure through contaminated grains or breast milk.

What is massoia bark oil?

CAS number
85085-26-3

Risk for babies

Severe risk

Infants are highly susceptible to Massoia bark oil due to lower body weight, immature detoxification pathways, and dietary exposure through contaminated grains or breast milk.

Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.

What to do: Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Risk for pregnant and nursing people

Context-dependent

Pregnancy alters the metabolism and distribution of Massoia bark oil, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

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 kids 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

Is massoia bark oil safe for kids?

Infants are highly susceptible to Massoia bark oil due to lower body weight, immature detoxification pathways, and dietary exposure through contaminated grains or breast milk.

What products contain massoia bark oil?

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

What should I do if my child is exposed to massoia bark oil?

Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

See Massoia bark oil in the baby app

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

Open in baby View raw API data

Sources (6)
  1. PubChem Compound Database (2026) — database
  2. IFRA Standard 51st Amendment — Massoia bark oil (Cryptocarya massoia) prohibited from leave-on skin-contact fragrance products (potent skin sensitizer + acute-irritation framework) (2024) — regulatory
  3. EU Cosmetics Regulation 1223/2009 Annex II + Annex III — C10 + C12 massoia lactone restriction in finished cosmetic products (2009) — regulatory
  4. RIFM (Research Institute for Fragrance Materials) — Massoia lactone fragrance-ingredient toxicology profile + Local Lymph Node Assay sensitization framework (2018) — study
  5. Council of Europe — Active Principles in Natural Sources of Flavourings — Massoia bark oil + C10 lactone sensitizer-restriction framework (2014) — regulatory
  6. FDA Voluntary Cosmetic Registration Program (VCRP) + Food/Cosmetic Industry Self-Regulation — Massoia bark oil restricted to wash-off + low-concentration applications per IFRA framework alignment (2018) — regulatory

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