1924 Lifebuoy soap ad Canada
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Health vigilance framed as parental duty. The copy links visible coal dust and outdoor dirt directly to unseen infectious illness, making antiseptic carbolic lather a non-negotiable household shield.
Steal this when
When selling disinfectant cleansers by positioning invisible microbial protection as parental responsibility.