Is Benjamin Moore Fresh Start Undercoater & Primer/Sealer toxic?

No paint is risk-free, and "toxic" depends on how much you're exposed to and for how long. Here is what Benjamin Moore's own documents show. Benjamin Moore Fresh Start Undercoater & Primer/Sealer scores 3–9 out of 100 across its 2 sheens and bases. Its untinted VOC is 350 g/L. Its Safety Data Sheet carries these warnings: cancer warning (all versions), organ toxicity warning (all versions) and skin allergen (1 of 2 versions). We found no third-party emissions testing for it.

Health score

3–9

VOC g/L

350

Use

Interior primer

Safety Data Sheet warnings

• Cancer warningall versionsContains Ethyl benzene, a suspected carcinogen present in the paint itself, not only as dust.
• Organ toxicity warningall versionsMay affect organs through repeated or high exposure (for example solvent vapors).
• Skin allergen1 of 2 versionsMay cause an allergic reaction.
• Aspiration hazardall versionsMay be fatal if swallowed and enters airways.
• Flammableall versionsKeep away from heat and flames.

Evidence beyond the label

• Emissions testing: none found
• Health certification: none found
• Full ingredient list (Health Product Declaration): not published

All 2 versions

• WhiteVOC <350 g/L · 4 warnings9Bad
• Fresh Start Undercoater & Primer/SealerVOC <350 g/L · 5 warnings3Bad

Updated October 12, 2026. Scores summarize the evidence makers publish. They don't guarantee safety or predict individual health outcomes. No brand pays to be listed. How we score