EDTA – a chelating and sequestering anti-oxidant (updated)

EDTA (or ethylenediaminetetra acetic acid) is a wonderful polyamino carboxylic acid that has the ability to chelate, sequester, and offer anti-oxidizing properties to our lotions. And we only need to use 0.20% to get maximum benefits in our lotions and surfactant based products! What exactly is a chelating or sequestering ingredient? EDTA binds with metal...

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A more in-depth look at anti-oxidants! (updated)

Anti-oxidants can stave off rancidity in our oils, giving them a longer shelf life in our products. Nothing can make the possibility of rancidity go away completely, but anti-oxidants are huge weapons in our fight on ickiness! Free radicals are constantly running around in our lotions, seeking out electrons to fill its valence shell. When...

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Mechanisms of rancidity (updated)

There are different ways by which our oils can become rancid, most of them involving oxygen. I know we need it to live, but it’s such a nuisance! OXIDATIVE RANCIDITY The double bonds of the fatty acid react chemically with oxygen. This turns the fatty acid molecules into other molecules that smell awful! This can...

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Rancidity: A primer (updated)

EEEK! Rancidity! The curse of lotion makers everywhere! You know how oils can go rancid now – through the breaking of the double bonds – but how exactly does that happen and how can we prevent it from ruining your lotions and potions! For a short post on anti-oxidants, please click here. I will be...

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Cis and trans fats

I know the words “trans fats” sends a shiver up our spines these days, but they are really relevant in understanding the differences in our oils! But wait – I’ve just realized I haven’t really explained what a double bond is! EEK! Carbon has 4 electrons that want to connect with other atoms (the blue...

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