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The following apparent objections pay no heed to sourced information in the body of the article: There is no verifiable historical mention of older soap factories in Spain. It is therefore possible that the term Castile, when applied to soap, might either refer to modern soap factories in Spain, or to the geographical location of the ports where white (castile) soap was collected before crossing the Atlantic on its way to the Americas. The 16th century usage of the term in English imports is established; soap has been exported long before "factories" produce it; soap crossing the Atlantic is irrelevant; if "Castile" is genuinely related to "casta" ("pure"), a report on a published argument to that effect would be a welcome addition. --Wetman01:34, 4 June 2006 (UTC)[reply]
Anonymous "concerns about Castile soap" do not explain how liquid "Castile" soap is entitled to be termed Castile soap; nor are pH factors a concern in numerous on-line ads for these oil-based soap products. The anonymous contributor has no previous edits. Is this a personal essay? --06:21, 27 September 2006 (UTC)
It seems to me that most of the "soap-making authorities" in this article should read "soap sellers and marketers". Declaring hemp soap to me Castille Soap seems to be something not subject to any kind of laws; rather, the maker and seller are trying to piggyback off of reputations of older Castille soaps. 68.151.99.40 (talk) 16:38, 15 March 2009 (UTC)[reply]
Not to mention the amusing association of "Pure Castile Soap" with gentleness. The Kirk's Castile pictured was formerly (before the formula changed perhaps 10 years ago) strongly caustic with excess lye. Possibly the lye has since been replaced with Sodium Carbonate? — Preceding unsigned comment added by 131.215.115.31 (talk) 23:39, 14 July 2016 (UTC)[reply]
