Advertising has always been mostly lies and insult. But it's generally more subtle now, dare I say? (I just know someone will confront me with a hideous example proving I'm full of stupid). In 1938, maybe audiences were less cynical? Maybe they were more suggestible?
We can't be too annoyed at the Jergens of 1938. Of course they had to build up the importance of routinely dipping your hands in a tub of lard to keep them from turning into lobster claws. But to say a man worships soft hands is, well, a fabrication. It's more true that women worship soft hands on other women. Likewise, many men dote upon their cars under the false pretense that it matters to women whether or not your tires are shiny enough. Beyond a basic level of not being rusty and not having a sea of hamburger wrappers in the back seat, many women won't be bothered much by the level of polish you put on your car. You may, however, attract just the right guy if you Armor-All the door seals.