Chemistry

Esters: Isopropyl esters

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Isopropyl esters, like isopropyl myristate (IPM), are those based on isopropyl alcohol and a fatty acid. Esters are created by combining an alcohol and an acid, usually a fatty alcohol, like cetyl alcohol, Cetearyl alcohol, stearyl alcohol, or myristyl alcohol, and a fatty acid, like lauric acid, myristic acid, palmitic acid, and stearic acid. Isopropyl esters,...

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Chemistry: Isomers and how they relate to the isopropyl esters…

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I thought I’d share a little about the chemistry of isomers before we get into isopropyl esters, like isopropyl myristate, isopropyl palmitate, isopropyl stearate, and isopropyl isostearate. I have to point out that you don’t need to know all of this to enjoy making products or using ingredients like isopropyl myristate (IPM) or isopropyl palmitate (IPP)...

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Q&A: How do we know if an ingredient is water or oil soluble?

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In this month’s Q&A, Cass asked, then followed up with another comment. hello, beginner here. I’m sorry if this is glaringly obvious but I am someone who has to triple check myself. How can I know if an ingredient is water or oil soluble? I feel so silly looking at the comments because they’re all so...

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Combining emollients: Part nine, let’s take a look at some emollients!

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We made it! We’re on part nine, the last part of this series (for now). Today, let’s take a look at some specific emollients to predict what they might be like when it comes to spreadability, skin feel, viscosity, and all the other factors we’ve investigated throughout this series. Click here to see the home page for...

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Combining emollients: Review sheet for the entire series (section 8, part two)

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Let’s update our review page to see what we’ve learned so far so we can start playing with our emollients! (You can find the home page for this combining emollients series by clicking here!) This one is updated with everything in the series to the end of part eight. The larger the spreading value of...

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