"While the soap-making rumor was widely circulated and published as fact in numerous books and newspaper articles after the war, the myth has been debunked for many decades"

"Historian Joachim Neander states that the rumors which allege that the Nazis produced soap from the bodies of Jews who they murdered in their concentration camps, long-since thoroughly debunked, are still widely believed"

https://en.m.wikipedia.org/wiki/Soap_made_from_human_corpses

Soap Image Source Haaretz

https://web.archive.org/web/20220525223321/https://www.haaretz.com/jewish/holocaust-remembrance-day/2021-04-08/ty-article-magazine/.highlight/soap-made-from-jews-and-how-hitler-took-power-the-truth-behind-holocaust-myths/0000017f-f4a9-d044-adff-f7f9733f0000