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A "Syndet" is P.H neutral. (If anyone is interested)
Ivory Soap is still actually soap, made with saponified natural fats, no synthetics, retaining its glycerin, and tests out as being above neutral.. As a real soap should.
We Americans often use the word "soap" in reference to dish, and laundry "detergent"
Soap was first, and the word has stuck. Its very commen for someone to say that they need "dish soap" or "laundry soap" when techniicly they mean detergent.
So Stephan, when you said "Hybird" in relation to the topic.. I was thrown off.. its why I asked the question as to what your definition was..thought you may be using it interchangeably.
Thank you Laundress for providing the info. Now I know the word "Hybird" didn't get added by the Scientific community for the chemistry, while I was out fishing LOL
 
Stan pH neutral in the context of cosmetics is a wide ranging term. There`s pH neutral which technically as we know is exactly pH 7, the pH of distilled water.
Then there`s "pH neutral to the skin" which isn`t exactly pH neutral but slightly acidic to match the pH of healthy human skin. It`s usually around pH 5-5,5.

Now let`s not talk about the FDA`s definition of soap like Ivory. It`s clear that soap by definition mustn`t contain any man made surfactants.

Again a Real Syndet by definition of the cosmetics industry, not sure about trade laws, such as a Eucerin or Sebamed bar (you know these niche brands in the USA, too ?) is pH neutral to the skin (acidic) and does not contain any real soap. There might be fatty acids in those products to give them texture but those are not saponified as in hybrids.

Then there`s hybrids or combinationbars (did anyone care to read the links in previous post?) like Dove which are usually just called syndets or detergent bars to make things not too complicated for consumers, but strictly speaking they aren`t because of their soap content. Looks like the term syndet is not as clearly regulated as the term soap is. According to Launderess` link to the patents of Dove it is pH neutral but not exactly "neutral to the skin" at a pH of 6,8-7,2. This doesn`t surprise me because otherwise the soap content wouldn`t stay soap for a long time if Dove were more acidic like a pure syndet would be.

Vintage Zest, another hybrid (1990s vintage is what I know personally) is different again, I can tell this from the ingredients list. It is just soap with a man made sufactant added to prevent the formation of soap scum. I bet my house and farm it is just as alkaline in pH as ordinary soap is (around pH 10 ?). Of course it can`t be called soap by trade laws.
Just think of shaving cream when you think of Zest. There`s usually a surfactant added as well to keep razor blades clean on contact with hard water minerals, but it is still high in pH to soften the beard easily.

Launderess, my reference to Baby Jane was stupid and not clear enough. Non of us makes a good crazy sadistic Jane or a poor pathetic Blanche.
I was only thinking of those two diehard divas. But I very much prefer to be challenged over being surrounded only by people who say what I want to hear.
On the other hand my primary motivation to post here is because it`s fun to do so. No intention to receive a doctor`s degree.
 
"Now I know the word "Hybird" didn't get added by the Scientific community for the chemistry, while I was out fishing LOL."

I don`t think so.
According to the "Scientific" book Skin Cleansing with Synthetic Detergents "The chemically well-defined soaps and non-soap detergent products have now been joined by hybrid products known as combination bars which contain different portions of soap together with synthetic detergents and so on "
While it`s not exactly the most common term saying it would be unscientific is kind of ignorant in my opinion.

The link to the FDA`s definition of the term soap isn`t 100% clear as well in my opinion. Among a lot of other things it says:
"To be regulated as “soap,” those “alkali salts of fatty acids” must be the only material that results in the product’s cleaning action. If the product contains synthetic detergents, it’s a cosmetic, not a soap. You still can use the word “soap” on the label."

You can still use the word soap on the label... Seriously ? What exactly did I miss again ? Besides there`s not a word about what would scientifically define a syndet, they only refer to cosmetics and drugs other than soaps.

Problem is when somebody provides a lot of links to verify their standpoint all the time it would be nice to have the decency to carefully read what the link says before posting. IIRC we`ve just had this in the Sunscreen thread where one of the links recommended what another warned against. No-one likes to get fooled like this even when someone otherwise frequently makes good points.[this post was last edited: 8/31/2018-10:01]
 
Yes

I'm aware of what the P.H of skin and hair is supposed to be.
And yes I did read the link you provided, thank you.
However as a soap maker myself, I didn't read anything in the link, or about soap that I didn't know.
As you've pointed out 7 is still neutral. Normal heathy skin has a amazing way of returning to its acid mantel within a short period of time, even when something more alkaline than 5.5 has been used to clean it.
Please don't kill the messager, but yes we are "serious" Dove, Zest, Careess, Lever, and even Ivory do not use the word "soap" on the labels here in the U.S
Besides the regulations Laundess mentioned..the patents and info she posted, I suspect that the word "soap" in relation to cosmetic use is considered vorbotton. Meaning that there is a negative contagion to "soap" being used on ones face. And frankly real soap is not the best choice for that use.. not because of the P.H factor so much, but due to other factors..
Who the hell is Baby Jane? LOL
 
Who the hell is Baby Jane? LOL

Why Stan, this would be none other than Miss Baby Jane Hudson, of “What Ever Happened To Baby Jane”, the 1962 movie starring Bette Davis as Baby Jane Hudson, and Joan Crawford as her crippled sister, Blanche Hudson.

If you haven’t seen it, you must! It’s a tour de force for these aging actresses, and very camp!

Eddie
 
Interesting Zest soap trivia

My father pushed boots in the Navy back in the '60s at NTC in San Diego. The boots were responsible for buying their own bar soap for showering. My father would tell them they could NOT buy any other bar soap other than Zest, and any other soap would be removed. Why? Come to find out Navy inspections of the barracks was very intense and the inspectors would look for anything and everything to whine about and lower the companies cleanliness score. One thing that was found early on was that Zest bar soap would not leave any soap residue in the shower stalls or in the floor pans. Once the navy boots found out why Zest was the only soap allowed, they quickly were "on board" with it. However, the Zest trick was not widely known throughout and other barracks always lost points. My father also made it well known for the guys to keep the Zest trick quiet and his company always racked up the highest points with inspection, which meant rewards later on for the guys.
 

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