[Abdullah]

mdk786 said:

Abdullah said:

Use 25% of this concentrate and it will give you 20% pine oil

hi 25% what? and how it wil be equal to 20%?

25% of pine oil that you have.

Because it is 80% and not 100%. So 25% if it equals 20% in final product as you want.

[Abdullah]

Use 25% of this concentrate and it will give you 20% pine oil

[Abdullah]

What is the pH and preservative amount?

It may not be enough for fungi

[Abdullah]

Mix surfactant with water, adjust ph, heat to 70°c, melt Peg 150, add it and keep temperature above 70 and use high shear mixer, when mixed cool it down and add cool down ingredients.

[Abdullah]

PhilGeis said:

Prob ok. 

Thanks

[Abdullah]

@PhilGeis gentle reminder 

[Abdullah]

Write the percentage and procedure.

Decyl Glucoside has pH above 10 and looks like you don’t have anything to adjust pH with.

[Abdullah]

PhilGeis said:

Can you describe packaging? Gram + (staph) is largely an in-use risk.

It is 220ml HDPE bottle with flip top cap.

[Abdullah]

PhilGeis said:

not much - but test the product.  Gram negatives are you biggest worry.

Thanks

[Abdullah]

PhilGeis said:

It is formula dependent - but doubt there are enough data to answer esp. as testing offers qualitative rather than quantitative assessment..    Think 0.3-0.5% for Capryl hydroxamic acid.

Thanks

[Abdullah]

@PhilGeis would increasing the amount of phenoxyethanol or adding 0.3% glyceryl Caprylate cover Gram positive bacteria?

[Abdullah]

@PhilGeis thanks

1. Do you mean 0.3% phenoxyethanol and 0.5% caprylhydroxamic acid?

2. Is this stability issue something we can see and notice by simple observation of product? 
I am using 0.6% phenoxyethanol+ 0.15% caprylhydroxamic acid+ 0.2% tetrasodium EDTA at pH 5.1 in anionic emulsion and haven’t noticed any problem or instability in samples from 6 months ago.

[Abdullah]

Perry said:

That would be a 1% solution.  10 g / 1000 g = 1%

Thanks
So if the formula has 10% surfactant, there will be 0.1% surfactant in this test sample and if it has 15% surfactant, there will be 0.15% surfactant in the test sample.
Am i correct? 

[Abdullah]

ngarayeva001 said:

SA is oil soluble and I suggest using this advantage. Add it to your oil phase. I am not saying adding it to water is wrong but it’s more difficult to dissolve. Also, SA is irritating enough. Ditch bakuchiol and other unnecessary things. You are adding unnecessary variables.

He is converting it to sodium salicylate. 

That oil phase of it can’t dissolve 2% salicylic acid anyway. 

[Abdullah]

@ketchito doesn’t chelating a metal eliminate whatever effect that metal has?

For example you chelate iron in a product, it doesn’t do what iron does in a product anymore. although that iron is always there. 

[Abdullah]

Lab said:

@Abdullah do you think this concentration (0.3%) should be applied to all leave on products or just for the ones to remove copper?

I’ll keep what you said about viscosity in mind, thanks!

not necessary for all products. 
You said 0.1% didn’t work so i said you can use higher amount.

[Abdullah]

mkarki said:

Abdullah said:

What is the pH?

You need an antifungal preservative too. 

DMDM HYDANTOIN
Preservative and antimicrobial

That is weak for fungi.

[Abdullah]

Yes dissolve salicylic acid in water before emulsification.

[Abdullah]

I have used 0.3% EDTA in leave on Products without any side effect. You can try this amount. 0.1% looks small.

Important is the viscosity of product. The lower the better.

[Abdullah]

What gum and preservative are you using and what is the pH?

Dissolve Propanediol, salicylic acid and NaOH in water phase after adding sodium phytate. 

What mixer are you using?

[Abdullah]

Your product may be contaminated with microbes. 

What is the pH?

Non of those ingredients cause this at right level. Maybe if you write the percentage of all ingredients help. 

[Abdullah]

What is the pH?

You need an antifungal preservative too. 

[Abdullah]

Does Sodium Cocoyl Glycinate dissolve in water property and become clear? 

In my experiments you need to heat some water to dissolve powder surfactants. 

Why so much Sodium Cocoyl Glycinate? 

You can not dissolve too much of powder surfactants in water. 
I don’t know about this surfactant but for AOS, there is 39% solution available but you can not dissolve 39% powder AOS in water. 

[Abdullah]

Zahra said:

Abdullah said:

Paprik said:

It is surprising how Zahra “knows” everything,. agrees on everything and has done everything you guys tell her before, but she (I assume it is her) still has things to say and having issues.

If you read all the books, have degree in chemistry, have done countless experiments, know everything about the ingredients,  … what seems to be the issue? I’m re-reading everything and I still do not get your point. 

I don’t mean to be rude, but this is second topic (I think) from her and it looks just ridiculous. Like she is making fun of you guys. 

She thought the information about functions and benefits of an ingredient she finds on internet is all she needs to know. 
I was ike this at first too. 

I think it is better to continue mixing surfactants and some emollients

    It may work better than before.

And I will go according to your opinions.

As Mr. Perry said you are out of the knockout method

And the combination of several substances

I used to test, I used to go for these methods, but because I got tired and had to synthesize another product, it was abandoned.

knockout method is more useful when you have a fully functional formula that you totally like and now you do knockout for a specific purpose for example reducing the cost. 
Example: you have a fully functional conditioner that one of the ingredients is keratin. You do knockout keratin and see how your formula works without it. If there was no difference then you don’t use keratin anymore and reduce your product cost. 

If you don’t have a fully functional formula and you also don’t know what each ingredient is doing in the formula, i would advise as Perry said first make 1 ingredient with water and preservative and see, then add ane more and see and so on instead of adding 20 ingredients and making a bad product, then making 20 knockout formulas and still make bad products and at the end be confused that what was the purpose, benefit and result  of all these experiments. 

Now don’t say i know what each ingredient is doing in my formula ????

[Abdullah]

Paprik said:

It is surprising how Zahra “knows” everything,. agrees on everything and has done everything you guys tell her before, but she (I assume it is her) still has things to say and having issues.

If you read all the books, have degree in chemistry, have done countless experiments, know everything about the ingredients,  … what seems to be the issue? I’m re-reading everything and I still do not get your point. 

I don’t mean to be rude, but this is second topic (I think) from her and it looks just ridiculous. Like she is making fun of you guys. 

She thought the information about functions and benefits of an ingredient she finds on internet is all she needs to know. 
I was ike this at first too.