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Thanks for your answer @PhilGeis 

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@PhilGeis get it now, so as a conclusion you guess that  product can be stable using preservative?

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@PhilGeis thanks a lot but really it seems very developed idea can you explain me with easier way ?

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Thanks @Abdullah my guess was fine then ????. 

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@Abdullah soo strange adding salt for such system is it for viscosity or preservation boost or what?! I guess cationic have preservative property then is not strange to have good stability. 

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@Abdullah welcome to curious chemists group ????????????, I have similar mentality wich makes a lot of fun but mind burns ????
  Just with your  SA experience you discovered very interesting solvent system 10% for 14% 

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@Abdullah very interesting what you are doing just in theoric 0.5% cationic +fa seems as a weak emulsifier combination  but I guess the secret is using petrolatum in oil phase that gives more stability for emulsion product. Keep making original things brother ????

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@Abdullah interesting news thanks for sharing knowledge, just didn’t you pass the maximum level of use with 14% ? it seems in such level pharmaceutical reason maybe.
 Same for my product today transformed to crystal clear. 

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You are welcome @Abdullah just I want to know for that type of cream your emulsifier combination is only cationic surfactant + fatty alcohol?

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Thanks for the answer @MarkBroussard
 Just update I tried the product in my hair so SA is not known as hair conditioner however I feel that it gives some conditioning effect for the hair near to the PQ 7.

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@Anca_Formulator fine you have the right to defend yourself there is no problem. 

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Thanks @chemicalmatt for the input 

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@Betto3 I guess in opposite sodium stearate will increase the hardness of soap, I suggest to use a saponifacation calculator to see the effect try https://calc.mendrulandia.es/?lg=en

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@amitvedakar Euxyl k120 is my actual preservative for my products , it is effective and economical however you should be careful in hot process because the temperature of add for it is 40 °C or below. 

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@Graillotion @jemolian nice point to inform because shipment will increase exponentially the price of ingredient. 

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@starlord13 not necessary, the most important is working for the water’s quality and adding chelating agent sush EDTA as @ketchito mentioned can help little bit. 

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@starlord13 I guess the ratio is not bad however the total surfactant level is low try to increase it, then the quality of water effects the foam of your product lower minerals higher foam. 

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@miss17february I guess both are good ingredient for cleansing blam may it is preferred versus alkyl benzoate c12_15 for economical reason. 

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@Abdullah nice subject to treat and as short answer I guess it should be above 4.8
https://www.paulaschoice.com/expert-advice/skincare-advice/skin-care-myths/the-ultimate-guide-to-ph-and-your-skin.html

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@Anca_Formulator in that case you have right just I told that in general case because a lot insist for natural ingredients however it is not always obligation or best choice. 

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@chrystad72 i’am totally agree with @ozgirl I guess the level of use mentioned is not for all products and I guess you should work with used level to have your ordinary product. 

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@chrystad72 not clear your request can you be more clear in your question? 

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@Anca_Formulator I guess looking for natural ingredients is fake problem the most important thing that ingredients are safe then functional.

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@chemicalmatt @Bill_Toge can carbopol aqua sf-1 be good thickener for liquid soap with actif surfactant lower then 10%? because I read that it works for 10% actif surfactant. 

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 Hi @Bebalevis I wish that you will give an interesting add for the forum as you have good profile then for your request I guess @Perry can help