Is triclosan in soap or toothpaste worth avoiding during pregnancy?
avoid
What is actually in it
Triclosan is an antibacterial chemical once used in many hand soaps, body washes, toothpastes, and treated household items.
Most basic hand soap does not need triclosan to clean well. For pregnancy, the practical move is to check labels and avoid antibacterial products that list triclosan.
What the research says
A 2026 Ecotoxicol Environ Saf study looked at possible molecular links between triclosan and gestational diabetes. The researchers used network toxicology, transcriptomics, machine learning, placental tissue data, protein validation, and molecular docking.
They identified 210 shared triclosan and gestational diabetes target genes, then narrowed those to 5 core genes tied to lipid metabolism, glucocorticoid signaling, energy balance, and immune response.
This study does not prove that one soap causes gestational diabetes. It does support caution because the pathway is plausible and the swap is easy.
The bottom line
During pregnancy, choose plain soap for hand washing and check toothpaste labels. Avoid products that list triclosan. Soap and water are enough for routine hand washing.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Multiomics elucidation of triclosan-induced gestational diabetes mellitus: Identification of key targets and molecular mechanisms | Ecotoxicol Environ Saf | 2026 |