Should I Avoid sodium borohydride During Pregnancy? | VeriMom

What to use instead

Pregnancy-safe ingredients that serve a similar function:

Pregnancy-safe products to use instead

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Pregnancy-Safe Alternatives to sodium borohydride | VeriMom

Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated

See also

• Is sodium borohydride safe during pregnancy?
• Is sodium borohydride safe for babies?
• What are pregnancy-safe alternatives to sodium borohydride?

FAQ

Is sodium borohydride safe during pregnancy?

Sodium borohydride is listed with a harmonised GHS classification of Reproductive toxicity Category 1B (H360: "May damage fertility or the unborn child") in regulatory/industry safety data (ECHA brief-profile / registration metadata and multiple manufacturer SDSs), which triggers a confirmed hazard score. Available sources do not provide a well‑characterised molecular mechanism for reproductive effects, so mechanism is scored as theoretical/uncertain. Topical cosmetic exposure would be expected to give negligible systemic exposure because NaBH4 is a reactive inorganic hydride that hydrolyses in water and is not used as a cosmetic ingredient; therefore exposure from normal cosmetic use is scored as 0. ([echa.europa.eu](https://echa.europa.eu/brief-profile/-/briefprofile/100.037.262?utm_source=openai))

Is sodium borohydride safe while breastfeeding?

Hazard remains confirmed (harmonised H360; Repr. 1B) and therefore is scored high for breastfeeding as well. No data located showing placental/mammary transfer studies for NaBH4 specifically; mechanism remains unclear. For topical cosmetic use, expected systemic exposure is negligible (NaBH4 reacts/hydrolyses in aqueous environments), so exposure for breastfeeding contexts from cosmetic use is scored 0. ([echa.europa.eu](https://echa.europa.eu/brief-profile/-/briefprofile/100.037.262?utm_source=openai))

Is sodium borohydride safe for baby skin?

Hazard remains confirmed (H360 → h=3). Mechanistic data are not well described in the literature consulted. Adult topical exposure judged negligible (e=0) because of the compound’s reactivity and lack of cosmetic uses, but infant skin has a higher surface‑area‑to‑weight ratio and less mature barrier—per scoring rules increase exposure by +1 for baby skin when absorption is at least potentially measurable, so e=1 for 0–3 yr. No infant‑specific absorption or toxicokinetic data were found. ([echa.europa.eu](https://echa.europa.eu/brief-profile/-/briefprofile/100.037.262?utm_source=openai))

How does VeriMom score sodium borohydride?

VeriMom scores sodium borohydride at 33/100 (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 sodium borohydride?

See our curated list of pregnancy-safe alternatives to sodium borohydride based on similar function and a no-known-risks safety band.