esters

Creating formulas with isopropyl myristate (IPM): Anhydrous whipped body butters with shea

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Over the last few days, we’ve learned that the isopropyl esters are light, fast spreading, non-greasy, and silky, and they can be used with emulsified or anhydrous (without water) products. One of the easiest ways to see how isopropyl myristate (IPM) feels on your skin is to make a simple anhydrous formula and substitute it...

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#alltheingredients: Isopropyl palmitate (IPP) – an isopropyl ester, updated 2021

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Isopropyl palmitate is related to isopropyl myristate (IPM), the difference being IPP is derived from palmitic fatty acid (C16) and IPM is derived from myristic fatty acid (C14). (Click here for the chemistry of esters!) Since we’re a little more familiar with IPM, we’ll end up contrasting and comparing the two at some point, so...

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Better crafting through chemistry: Esters – isopropyl myristate (IPM) – updated, 2021

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Original post from 2009!  If you’ve been following this blog for any length of time, you’ll know I’m a fan of isopropyl myristate or IPM. I use it primarily as a dry or astringent emollient to reduce the greasy feeling of other oils in a lotion or lotion bar. You can use it in large...

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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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