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As a result of the COVID-19 pandemic, personal use of alcohol-based hand sanitizer has received considerable attention as one method of helping to prevent the spread of the virus. Hand sanitizer has also received much attention recently through both traditional and social media, with claims that containers of hand sanitizer will catch fire or spontaneously combust if left in a hot vehicle.

Engineers with the Office of the Fire Marshal (OFM) Investigations Services have looked into this concern and advise that the rate of vapour leakage from a personal container of hand sanitizer left in a hot vehicle would not result in sufficient vapour density to fall within flammable limits in air. Read more here