AVisotsky
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- AVisotsky
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Comments
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@letsalcido :) The trial approach works for me :) Thank you!
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@ozgirl thank you, I used behenyl alcohol since per Montanov's formulating guide they recommend fatty alcohol as a co-emulsifier. I'll look into alternatives to that if my experiment with viscosity fails :)
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@letsalcido this is very helpful. How do one decides on the optimal viscosity of the water phase?
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@letsalcido It's a good question. If I remember correctly, it turns white once I start the blender, it just loses translucency once mixed. Perhaps, need to try a thickener and increase Montanov a bit? I do like the sensorial properties of Montanov …
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Got ya. I was reading this technical explanation that helps understand the mechanics, exactly what you just said: either even out the viscosity or power through with EM/sheer. Makes sense, thank you for taking the time to explain. I'd like to stay …
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Thank you so much for your analysis! I was just putting Hydroxypropylcellulose on my shopping list as I read this :) I will check for liquid emulsifiers as well. Yes, I use a spatula for the cooling phase, I'll pay more attention during the next…
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I have to add this about separation when heated: it could be easily "emulsified" again when just stirred (in both cases), and once it cools down it looks fine again. HMMMMM... Technically, coalescence would be irreversible, right? So it's …
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@Rari you can write to this consultant (I worked with her for my OTC products, she is super reasonable :) Melanie Cummings <melanie@repertoireconsulting.com>
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@letsalcido Thank you! Will research further
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@ngarayeva001 Hello and thank you. Because I didn't know to look up what kind of emulsifier Montanov 68 was :) I realize my mistake now. Thank you for the tip. Is NaOH added before emulsification or could it be added after?
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Ah, no! It is actually o/w, it's miscible in water and not in oil, just checked.:)
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Oh wait, I just realized it is w/o, so it doesn't really have a pH, right? So I can't measure it correctly unless I measure the pH of the water phase ahead of time?
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Hi @Belassi I just noticed your comment on bentonite, why is it harsh? Also, did you notice a difference in quality between suppliers in terms of the quality of bentonite? Which one did you prefer? :) thank you
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Right, PhytoMulse is: Cetearyl Alcohol & Glyceryl Stearate & Almondeth-20 This is the first time I'll be using this combo. I'll report once I make some samples. Lactobacillus Ferment is in all Leucidal products. It's the question what you f…
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@EVchem thank you, I'm still at the point of the early back-of-the-napkin design for my cream but I use a preservative (Leucidal, I know some here dislike but works for me) and it alone takes up 4-5% during cooling. So that got me thinking, how much…
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got ya :)) we also use laser-printed stickers that are waterproof but annoying to attach. So I was wondering if there is a better way
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Cosmetics vs Drugs. By definition, the first group should only clean, refresh, and temporary change appearance, not produce lasting changes. And when it comes to drugs, even with the most "well-researched" if you look closer, you often see…
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Thanks, @Pharma! Well, it is a moisturizer and it does give a bit of a viscosity boost IMHO, but then I haven't seen how it feels without it, perhaps the difference is negligible.
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Haha @ngarayeva001 :)) Tears of virgins couldn't be ethically sourced, though. The website also mentions that they source herbal extracts without preservatives and then pack products aseptically. But how can a rose extract be aseptic unless you dis…
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Perry, thank you! This is what I needed
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Awesome, thanks for the idea, I'll add it to the list of instruments to build for the lab :)
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Thank you!
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Thanks @max :)
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Very useful, thank you @Perry
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This is a great tip, thanks @Microformulation!
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Thanks, guys, valuable comments, food for thoughts!
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Mostly thinking to approach it similar how commercial kitchens are set up: no materials but basic tools are provided.
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So no takers?
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Dang, sorry guys, yes @belassi it's evening primrose oil.
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The domain name though... ISIS :)))
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