HIGH RISK
Should I Avoid c18-29 alkane During Pregnancy? | VeriMom
Reviewed by VeriMom Editorial Team · Last reviewed
ECHA regulatory hazard statements
- •H350
What to use instead
Pregnancy-safe ingredients that serve a similar function:
Pregnancy-safe products to use instead
Products built around the safer ingredients above, scored "no known risks" or "low risk".

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Sources & references
Authoritative references used to score this ingredient.
Pregnancy-Safe Alternatives to c18-29 alkane | VeriMom
Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
See also
FAQ
- Is c18-29 alkane safe during pregnancy?
- C18‑29 Alkane (CAS 64742‑55‑8) is reported in regulatory/ingredient databases as a mixture of long‑chain alkanes (petroleum‑derived or vegetable‑derived narrow cuts). Authoritative substance pages and INCI/Cosmetic ingredient listings do not show a harmonised reproductive classification (no H360/H361 listed) nor SCCS/CIR reproductive restrictions; toxicology data in SDS/registration summaries report low systemic toxicity and typical low dermal absorption for long, nonpolar alkanes, so default scoring is 0/0/0. (Sources: ECHA substance information; CosIng/INCI listings; PubChem for representative long‑chain alkane properties).
- Is c18-29 alkane safe while breastfeeding?
- Same rationale as pregnancy: no harmonised reproductive classification, no SCCS/CIR reproductive or lactation warnings found and alkanes of this chain length are poorly absorbed after topical application, so hazard and mechanism are scored 0; exposure from normal cosmetic topical use is judged negligible. (Sources: ECHA substance page; PubChem/alkane data; cosmetic ingredient databases.)
- Is c18-29 alkane safe for baby skin?
- Hazard and mechanism remain 0 (no reproductive/ developmental evidence). Exposure (e) increased to 1 for infants (0–3 yr) because infant skin has higher surface‑area:weight and an immature barrier—long‑chain alkanes are not highly systemically absorbed in adults but measurable dermal uptake is possible; per your instructions baby exposure is raised by +1 where adult absorption is measurable. No infant‑specific adverse data were identified. (Sources: ECHA substance page; INCI/Cosmetic listings; representative PubChem alkane data.)
- How does VeriMom score c18-29 alkane?
- VeriMom scores c18-29 alkane at 39/100 (high risk) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
- What are pregnancy-safe alternatives to c18-29 alkane?
- See our curated list of pregnancy-safe alternatives to c18-29 alkane based on similar function and a no-known-risks safety band.
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Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice. Safety scores are based on publicly available data and may not reflect all risks. Always consult your healthcare provider before using any product during pregnancy or breastfeeding.