Weekend Wonderings: It’s all about the polysorbates, baby!

There were a few questions about polysorbate 20 this week, so let’s take a look at those comments! WILL HEATING HELP AN EMULSION WITH POLYSORBATE 20? In this post, Polysorbate 20 vs. polysorbate 80, Sam F asks, Do you think heating will aide an o/w emulsion when adding 0.3% eo’s & 1.2% polysorbate 20 to water?...

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Weekend Wonderings: Molecular changes in lotion, beeswax as an emulsifier, and why I don’t make CP soap

Someone asked what I was studying in school – chemistry! I’m an addict, I admit it. (Hey, I love chemistry so much, I married a man named Nichols!) My exam went well. I can’t believe there are only three more weeks! What will I do to fill my time? Maybe I’ll actually relax for a...

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Troubleshooting a lotion recipe…

In this post on making a basic lotion, Courty asks: I tried your summer lotion the other day. (Was it this one?) I love it but have a problem I was hoping you could help with. It rubs in very well when my skin is dry but if I apply it after I get out of...

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Chemistry Thursday: The Bancroft rule

While looking at the comments section looking for questions I could answer, I found a link to the Bancroft rule, and I thought I should post it here. (I can’t remember who suggested this, sorry, but you are awesome!) The Bancroft rule states: “The phase in which an emulsifier is more soluble constitutes the continuous...

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Emulsifiers – Check what you’ve got!

There are many things we can call emulsifiers for our products, but when you’re making a lotion or other emulsified product, what you probably want is an emulsification system, which generally consists of at least two ingredients – a low HLB emulsifier like glycol distearate or glycol stearate and a high HLB emulsifier like ceteareth-20...

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