Syndet is a blended word made by combining the words “synthetic” and “detergent.” There is a lot of hype about using syndet bars to go "soap-free." The theory is that since they are less alkaline than natural soap they will not harm the acid mantle.
Although you may see many different "organic" logos, symbols and badges on products, signs, and website, there are only two that have any real meaning. They are the circular "USDA Organic" logo and the logo from a USDA accredited certifying agency.
In a book published in 1880 titled, “Decorum: A Practical Treatise On Etiquette And Dress Of The Best American Society,” John Ruth wrote,
“Many heads of hair require nothing more in the way of wash than soap and water.” Unlike liquid detergent shampoos which work in both hard and soft water, natural shampoo bars can take some experimenting to get the right technique and the right bar.