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@Gunther  I made the same constatation , but even it seems strange that what experiences gave and the stranger That this study used just SLES as other surfactant with CAPB. So as first impression SLES supposed can not reduce the irritant effect of CAPB However the experiences proved the opposit.

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@nara i guess sucragel can make cold emulsion .

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@deeps88 gives the Lol to  have better help.

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you are welcome @shaujaat

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@shaujaat for sure you just need low level of perfume to have acceptable odor using ethanol or IPA.

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@shaujaat for cost you can decrease the level of IPA or even to replace it with ethanol and about effecacity i already made glass cleaner without vinegar and it works good so you just need to find the adequat levels of each ingredients.

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As @Perry said presevative are not adequat for skin antibacterial effect cause almost are toxic so even in cosmetic formulation must used at the adequat level.

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@shaujaat you don’t need to make vinegar to make glass cleaner you can just use water, isopropanol , preservative , perfume and colorant if you want.

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@nara you should make research for water in oil emulsifier .

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hi @shireen make your Lol in percentage to have more suggestions and for stearic acid i see it used not at high level so check ph of your product if it is good then no need to neutralisation unless you can use NaOh to do it.

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@erickafalves actually my interpretarion matching the decreasing of ph and changing fragrance note that your perfumes in product are not stable enough so as probable solution i suggest to add more preservative or change it  that’s may solve your problem.

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@UsmanAli actually ph between 10 and 11 is real problem for skin and it is normal to cause irritation ph should be generally in cosmetic below 8.

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thanks @Chemist77 yes for sure i already use pvp in my product .

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Update : i make hair creme-gel based on olive oil and carbomer so it gives   medium holding and smoothing effect  without flaking ☺.

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@Chemist77 about carbomer : an adequat level of carbomer can make also hair gel without flaking and with good holding.

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@shaujaat actually Cathon CG at 0,1% level can be good solution.

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@shaujaat actually formaldehyde is very toxic ingredient wich you should change to another preservative , even the level of use is too high must be 0,1 % as maximum reaching 0,05 %|.

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@Marysurnita even liquid can be mesured by kg you just use a balance to know the adequat weight or use the relation: mass = volumic mass * volume.

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@Marysurnita Actually i don’t see any hair relaxer it is sort of bad soap.

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@Romis A lot of corrections are needed as i see : Actually stearic acid make soap creamy and decrease the transperency of soap so for the transperency you need high soluble oil as coconut oil , you need also to reduce greasy % and to modify % of solvent respecting the following % in pic.
 for having solid soap you should use between 40% and 60% saturated oil better 50 % however  you have just  (18/48 saturated oil ) so i suppose to decrease the % of SLES and increase the % of saturated oil to have harder bar.
 About changing TEA to ethanol that prouves that you need to learn more about soap so TEA can be solvent right but it play also as Alkalin ” Neutralizer of oils” so if you change it by ethanol you must add an adequat amount of NaOh.
 wish that all is clear unless you are welcome for more explain.

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@ngarayeva001 for slat better to use lower % but i will be obliged to use thickner something i try to did not .
decyl glycoside may  it  can be available .
TAS is between 10 and 11.

@Chemist77 thanks for you comment.

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@Chemist77 the % of polyquaternium is not random and i have  not access to polyquaternium 87(Luviquat sensation )  and i will not use dimethiconol so as you see for all this reasons polyquaternium 10 in 0,5 % will be the best choice.

For APG i have idea that they are mild surfactants but what about foam and cost compairing to dissoduim cocoamphildiacetate?

In my country suggar is too cheap but may it will not give effect in shampoo.

And for ph if i can not obtain final ph equal to 5 i will delete Salicylic Acid.

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@Romis write your Lol to have some suggetions or corrections.

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@Chemist77 thanks for sharing your intersting experiences and for viscosity effect i agree with you just i think that HEC can have better compatibility with more ingredients .

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@Perry i agree with you just i think that HEC have better sides  in stability versus slats .