I don't think so. Since I'm not even sure exactly what this 'biden shaving cream story' is, it's very likely that it hasn't been verified. There are a lot of unsubstantiated stories floating around, especially in the political arena.
Well, the 'biden shaving cream story' could potentially be a story related to President Biden's personal grooming habits perhaps. Maybe there was an incident where shaving cream was involved in a humorous or newsworthy way. However, without clear information sources, it remains a bit of a mystery.
The 'Jack Hoffman ice cream true story' might involve Jack Hoffman's love for ice cream leading him to create a new flavor. He could have experimented with different ingredients, sourced from local farms perhaps, and after many trials, came up with a one - of - a - kind ice cream flavor. This could have then led to his ice cream becoming popular in his community or even further afield, but again, this is all speculation without more information about the specific story.