Techniques

Using powdered surfactants, like SCI, SCS, or SLSa in liquid products and why they fail

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I’m seeing a lot of people trying to use powdered surfactants in liquid products – like shower gels, body washes, bubble baths – and although I hate to be the bearer of bad news, this isn’t a stable or easy way to use them. These will start to solidify, leaving you with a bottle of...

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Q&A quickies: Why do we have to allow the product to cool before packaging?

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Why do we always say to package your product when it’s reached room temperature? Because we don’t want all that condensation in the bottle or the cap, which can happen when the product is even slightly warm. Before you know it, you have mold and other nasty things growing in the cap that’ll end up...

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Q&A quickie: You don’t need to add a solubilizer with surfactants or emulsions

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I’m about to say something pretty controversial, which you already know after reading the title: You don’t need to add solubilizer to your foamy, bubbly, lathery surfactants as they’re by definition surfactants, and they can do the job themselves. The very nature of a surfactant is that it has a hydrophilic or water loving head...

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Tips & techniques: How to use a foamer bottle with diluted soap or surfactants

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Someone shared this video from Aromatics International with me of someone showing you how to use a foamer bottle with liquid soap, and I thought maybe I could share some of my thoughts and a formula for diluting castille soap in one of these containers. Foam pump or foamer bottles were designed to create more foam...

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Pro tip: Allantoin goes into the heated water phase – not the cool down phase – of emulsions

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On January 28 on this blog’s Facebook page, I shared the links to the post on allantoin from January 17th here on the blog, and an interesting discussion sprung up, which I thought I’d share here and add more of my thoughts and links because all of a sudden, people are using allantoin in the...

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