Esters: Simple esters

Catch up on this series: Part one, the chemistry and nomenclature of esters; part two, types of esters and their sensory characteristics; and part three, chemistry of the sensory characteristics.  Esters are created when an alcohol and an acid react. In the case of simple esters, this is when a fatty alcohol and a fatty...

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What are esters? Part three: Chemistry of the sensory characteristics or why they feel the way they do

Catch up on this series: Part one, the chemistry and nomenclature of esters, and part two, types of esters and their sensory characteristics.  There are quite a few factors that contribute to the functionality of the ester, that is to say these factors contribute to the viscosity, skin feel, melting point, liquidity, surface tension, and...

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What are esters? Part two: Types of esters & their sensory characteristics

Thanks for joining me for part two of this series on esters. Yesterday, we looked at the chemistry and nomenclature of esters. Today, let’s take a look at why we might use esters in our products, and what they bring to the party. We use esters for all kinds of reasons – as emulsifiers, as...

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What are esters? Part one: The chemistry and nomenclature

You might remember our series to figure out what a polar oil might be – part one, hydrocarbons and part two, polar oils – as we struggled to make that darned TKB Thickening clay work. This was supposed to be part three at the time, but we went on holiday and the computer died and...

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How the ingredients determine the pH of a shampoo bar, and testing Lush’s Jumping Juniper bar

When we were at Windy Point Soap Making Supplies two weeks ago, we had great fun testing the pH of various Lush products, including three shampoo bars – Jumping Juniper, Montalbano, and Trichomania – as well as two “self-preserving” shower gels, Honey I Washed the Kids and The Olive Branch. Let’s take a look at...

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