It was used for dishwashing before detergents were invented in Germany during World War I. Liquid detergent used for dishwashing was first manufactured in the middle of the 20th century. Dishwashing detergent producers started production in the United States in the 1930–1940s. Teepol, the first such in Europe, commenced production in 1941.
https://en.wikipedia.org/wiki/Dishwashing_liquid
Soap was produced throughout Europe and ingredients began to differ based on the region. Colonial America, however, was the exception. Soap companies did not begin to appear until the early 19th century.
http://thesoapcafe.blogspot.com/2009/02/who-invented-soap.html
New York City resident, William Sheppard, was the first person to get liquid soap patented. It was patented on August 22, 1865. Unfortunately, I do not know why he invented liquid soap.
http://www.answers.com/Q/Who_invented_liquid_soap_and_why
Our modern word soap was derived from Sapo from where this solution was believed to originate. It is questionable whether the people of the time were conscious that soap was being produced. The recipes don't mention that soap is produced, and the soap is never actually separated from the solution. In fact, the first concrete evidence of knowledgeable soapmaking is found in ancient Rome.
http://thesoapcafe.blogspot.com/2009/02/who-invented-soap.html
Plastic bottles of dishwashing liquid. Soap foam bubbles once water and dishwashing liquid are mixed and aerated. Dishwashing liquid (BrE: washing-up liquid), known as dishwashing soap and dish soap, is a detergent used to assist in dishwashing.
https://en.wikipedia.org/wiki/Dishwashing_liquid
Rating Newest Oldest. Best Answer: I typed in who invented liquid soap on Google, and this site was the very first one that came up (the one listed in my sources).
https://answers.yahoo.com/question/index?qid=20090119203959AAPsKkG
Although the Romans are most often credited with the discovery of soap around 1000 B.C. - directions for soapmaking have been found on Sume...
http://thesoapcafe.blogspot.com/2009/02/who-invented-soap.html
It was titled, Who invented liquid soap and why?. This is what it said: As far as I can tell, Liquid Soap was invented by Hendrik Willem Brouwer of Holland, working for Lever Brothers. He received patent number US4065398: Liquid soap composition. You can read more about this invention at this webpage.
https://answers.yahoo.com/question/index?qid=20090119203959AAPsKkG
Although no one really knows who or when soap was discovered, there are various legends surrounding it's beginning. According to Roman legend, soap was named after Mount Sapo, … an ancient site of animal sacrifices.
http://www.answers.com/Q/Who_invented_liquid_soap_and_why
Thus the emergence of the first soap-or at least the first use of soap. A soap-like material found in clay cylinders during the excavation of ancient Babylon is evidence that soapmaking was known as early as 2800 B.C. Inscriptions on the cylinders say that fats were boiled with ashes, a soap-making method.
http://www.answers.com/Q/Who_invented_liquid_soap_and_why
who invented liquid soap
Liquid soap is invented by William Sheppard. 