Surfactants

#alltheingredients: Disodium 2-sulfolaurate (aka Disodium 2-sulfododecanoate) – a foamy, bubbly, lathery™ powdered or pasty surfactant!

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In the monthly Q&A, Chavi asked, Hi Susan! Amazon just recently recommended me the surfactant Disodium 2-Sulfolaurate Powder. I was wondering if you could share more information about what it is, how it can be used or what it can be substituted for. Thanks! Great question! I love delving into new surfactants, so let’s take a look at...

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Q&A: How can we best thicken low pH face cleansers or body washes/shower gels?

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In the monthly Q&A post, Allison asked, Hello there! I hope the start of fall where you are at is lovely! I have a question about thickening low-pH face and body washes. I have a heck of a time thickening anything with a pH less than 5. Crothix is usually a winner for me but...

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Q&A quickie: What can you substitute for LSB in a solid shampoo bar (syndet bar)?

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I don’t think we can find the surfactant blend called LSB any more – in North America at least – as it’s been altered to have a very short shelf life of 6 months, so what can you do as a replacement? The short answer is that you can use any liquid surfactant suitable for...

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Q&A: Can non-ionic surfactants contain electrolytes? Can we use non-ionic surfactants with something that can’t tolerate electrolytes, like Aristoflex AVC?

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In the monthly Q&A, Melinda asked, Hey Susan and everyone! Can non-ionic surfactants contain electrolytes? I ask because I am curious if we can use a high ASM of non-ionic surfactants with thickeners that can only handle a certain amount of electrolytes. For example could something like Aristoflex AVC that can’t handle electrolytes at all be...

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Q&A: How would you modify a shampoo bar formula to be a “no more tears” product? Part three, increasing mildness by combining surfactants 

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Welcome to part three of this series on how we might create a “no more tears” kind of shampoo bar using various anionic, non-ionic, and amphoteric surfactants. In part one, we reviewed the surfactants that Alexander noted she has in her workshop – sodium cocoyl isethionate (SCI), foaming apple surfactant, decyl glucoside, and Cocamidopropyl Betaine –...

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