Is Methyl salicylate (wintergreen oil) safe for babies and kids?
Very high risk for kidsInfants face elevated exposure to Methyl salicylate (wintergreen oil) through formula, baby food, and breast milk contamination. Immature hepatic metabolism and higher intake-to-body-weight ratio amplify dose.
What is methyl salicylate (wintergreen oil)?
The IUPAC name is methyl 2-hydroxybenzoate.
Also known as: methyl 2-hydroxybenzoate, methyl salicylate, Analgit, Flucarmit.
- IUPAC name
- methyl 2-hydroxybenzoate
- CAS number
- 119-36-8
- Molecular formula
- C8H8O3
- Molecular weight
- 152.15 g/mol
- SMILES
- COC(=O)C1=CC=CC=C1O
- PubChem CID
- 4133
Risk for babies
Very high riskInfants face elevated exposure to Methyl salicylate (wintergreen oil) through formula, baby food, and breast milk contamination. Immature hepatic metabolism and higher intake-to-body-weight ratio amplify dose.
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.
Risk for pregnant and nursing people
High riskSalicylate class — crosses placenta; associated with premature closure of ductus arteriosus; avoid high-dose topical products in third trimester
Regulatory consensus
1 regulatory bodyhas classified Methyl salicylate (wintergreen oil).
| Agency | Year | Classification | Notes |
|---|---|---|---|
| Regulatory Framework | — | Regulated under food safety frameworks (FDA GRAS, EU food additive regulations) |
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 methyl salicylate (wintergreen oil)
- Personal Care — toothpaste, mouthwash, lip balm
- Consumer Products — muscle rubs, topical analgesics, heating pads
- Food — candy, chewing gum, mint flavoring
Safer alternatives
Lower-risk approaches that achieve a similar outcome to Methyl salicylate (wintergreen oil):
-
Natural preservatives; Clean-label ingredients; Minimally processed food
Trade-offs: Consumer label appeal ('clean label'); variable efficacy depending on food matrix and target pathogen; may alter flavor/color; regulatory status varies by jurisdiction; often more expensive per unit of preservation effect.Relative cost: 2-5× conventional
Frequently asked questions
Is methyl salicylate (wintergreen oil) safe for kids?
Infants face elevated exposure to Methyl salicylate (wintergreen oil) through formula, baby food, and breast milk contamination. Immature hepatic metabolism and higher intake-to-body-weight ratio amplify dose.
What products contain methyl salicylate (wintergreen oil)?
Methyl salicylate (wintergreen oil) appears in: toothpaste (Personal care); mouthwash (Personal care); muscle rubs (Consumer products); topical analgesics (Consumer products); candy (Food).
What should I do if my child is exposed to methyl salicylate (wintergreen 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 Methyl salicylate (wintergreen oil) in the baby app
Look up products containing methyl salicylate (wintergreen oil), compare to alternatives, and explore the full data record.
Open in baby View raw API dataSources (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 →