You can read the history of Lifebuoy Soap here.
You can Google Lifebuoy Soap and look for the "images" related to Lifebuoy and see the changes in typography, imagery, and package design. An entire course in the history of product design and typography could be made with this product.
As far as I can tell this particular manifestation of Lifebuoy was sold around 1936.
While I tend to fall in love with older graphics from the 19th century, and I love several of the older examples of illustrated packaging for this product that I've found on line, there is something so clean and straightforward about this packaging that I can't help but love it.