[EVchem]

50% urea in just water? well that’s why 
 That much urea is hard to solubilize, especially since it’s endothermic when dissolving.  

[EVchem]

@PeiHoong no problem it was Calfoams not mine haha

[EVchem]

Are you currently making this product? Are you seeing separation?  For me at least there’s no way to tell you how to prevent separation if you don’t know if the product will even separate at all yet- you also need to say how much emulsifier not just what kind.

For preventing molding, you’ll have to do some kind of microbial/ AET  to find out if your preservative is effective for your formula

[EVchem]

I follow a similar method to Herbnerds matching basics, but I’ve found the percentage can get close but may always need some minor adjusting. We do use pantone colors to match but even that can have many variables (light source/direction, opacity of the product  could affect the sample size needed)

[EVchem]

 2% oil in water- depending on the oil won’t this be very difficult to achieve a clear final product? You’d have to make a microemulsion or maybe encapsulate with cyclodextrin (depending on oil) if you can’t solubilize like normal. Think you’d also need and extremely high shear mixer.

Also since when is Peg 40 ecocert approved..?

Polysugamulse D9 is ecocert compliant, it’s also grossly sticky at high concentrations and will need  roughly ~4x the amount compared to oil.

[EVchem]

You can follow something like the attached. I’ve never made anti-dandruff products but it is an OTC in the US so be careful since you said manufacturing.

Also please give the INCI/ ingredient names, I don’t know what runsoft is so can’t help you with the placement of that

[EVchem]

@Perry @MarkBroussard - The full study is in Korean, but the tables are in english and  you can see they are using 1:1 ratio. I  can’t read Korean so I don’t know the MW of the HA.

Tangentially related, are we comparing glycerin to true Hyaluronic Acid? We exclusively buy Sodium hyaluronate. I know there’s some kind of equilibrium in solution, just wondering  if companies are really buying as HA.

[EVchem]

So I’m pretty sure this is just repackaged Sk-Influx V  from Evonik and if so:

“Cholesterol is a key ingredient of SK-INFLUX®/SKINFLUX® V MB and essential for the performance of
the product. SK-INFLUX® V MB contains a vegetal derived, semi-synthetic cholesterol that is
chemically and physically indistinguishable from
the animal-based product.”

[EVchem]

“As we increase the moles of EO from one to two to three, how does it impact the performance of the
product? Generally speaking here is how:
 - Increases solubility

- Increases mildness

- Increases flash foam

- Decreases foam stability

- Decreases viscosity building

These differences are not very prominent in most cases except for viscosity building; there is a
significant difference between 2 mole and three mole. Two mole gives higher viscosity. In most
applications formulators tend to use the 2 mole product like our Calfoam® ES-302.”

[EVchem]

Sepimax Zen (polyacrylates crosspolymer-6) should also work

[EVchem]

@Pharma  it’s hard to find good quality but  several supplement supply stores have it. We’ve bought  from here before, they  provide  a COA at least

[EVchem]

@JackDerrington  you might be onto something with processing- what kind of equipment are you mixing with? I have seen that kind of texture in a cold-process cream I made (so none of the same ingredients as you). We eventually figured out the texture came from the equipment….a kitchen aid blender with a beater attachment  ( don’t judge-when I started in my lab we only had that mixer and a waring blender)

[EVchem]

@r3lax3d - don’t worry, nobody wants to steal your ‘natural’ formula. Without knowing what you have that is causing acidity it’s hard to know if the base will have any incompatibilities. 

So that said, you could try niacinamide. It’s certainly not a strong base so it may not raise pH enough.

[EVchem]

@PeiHoong  I included the Glyceryl Stearate/PEG-100 Stearate to help with the wash off of the scrub.  It’s not super high HLB (~11 I think, and castor oils required HLB is 14)
Also I’m no expert but I think the emulsifier helps bring together these oils that have differing polarities and prevents me from seeing syneresis at room temperature.

I’ve never made lipsticks before but the sweating can probably come from a variety of causes. You are trying to make a crystalline-like structure so less room for error. 

[EVchem]

yes update: i may be an idiot.

So they were showing some seeping but when I let the samples cool down from the oven the oil seemed to go back into the scrub. Room temperature sample hasn’t shown any issues yet. Wasn’t sure what I was looking for so I think I panicked prematurely

[EVchem]

@amitvedakar based on the pictures I saw here and here, that product is likely almost entirely mineral oil. Not sure exactly how indian cosmetic regulations work but mineral oil is listed first in both pictures

[EVchem]

When you list the surfactants is that the active matter  content? Ex. when we purchase decyl glucoside it comes as a ~50% solution in water. So if I add 10% of that I’ve really only got about 5% of actual surfactant. You probably want your active surfactant  to total at least 15%.
I’m not an expert, but I would  add the surfactants as you are now, after you’ve mixed oil and water, otherwise you will just create a bunch of foam.

[EVchem]

Your stage B is missing some percents. From everything else you have here your glucosides would only be about 9% of the formula? That’s not nearly enough. 
You should also drop the shea and rosehip (leave them at 0.001% if you just want it on the label) they are interfering with the surfactants ability to actually clean.

[EVchem]

hmm well that’s a good start- i thought maybe the coco betaine would be an issue if your pH was higher.  How high are you heating things to? 
my second thought is maybe just not enough emulsifier. I’ve usually seen the pearl around 2%, is 4% totally necessary?

[EVchem]

Not sure what your entire formula requires but I recently made a hand-sanitizer type gel with menthol (not 10% though) using  ultrez 21 and 60% Denat. Alcohol.  

I think you can take the tweens up as high as you want, but they start to get very sticky.

[EVchem]

 What’s the final pH of the formula? 

[EVchem]

@UsmanAli  if you removed palmitic and myristic acid you would still have a foaming and clear face wash. Can I ask why you are including them in your formula?

[EVchem]

Honestly I’d expect the top 3 ingredients (not counting water) to be near 2% at best anyway.  When I first started I was trained incorrectly on making labels. we were buying a premade 1% solution of Sodium Hyaluronate  so if I used 10% of that I left it at that place in the LOI, even after I crossed out the repeated water

[EVchem]

You’re not going to get a helpful response unless you provide more information. The best preservative is going to depend on the ingredients in your products, some work better in certain conditions than others.

Also ‘toxin-free’ is not a universally defined term, you’re better off picking a standard that means something to everyone (i.e. no formaldehyde- releasers) 

[EVchem]

This really interests me because  the stigma of publishing negative results is definitely holding science back! Studies on reproducing other paper’s results are also treated like a waste  when really that’s a key part of the scientific method
https://www.negative-results.org/