Surfactants

Separation in surfactant based products, like shampoo or body wash? Let’s troubleshoot it!

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I’ve also been receiving so many questions about surfactant based products, like shampoo, body wash, facial cleanser, and bubble bath, separating, and I don’t think I know what you mean by that term “separate”. I’ve only once had something that appeared to be separation in a body wash, and that was one that had glycol...

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Using powdered surfactants like SCI or SLSa in liquid products

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I’ve been receiving quite a number of questions over the last few months about adding solid surfactants like sodium cocoyl isethionate (SCI) and sodium lauryl sulfoacetate (SLSa) to liquid products, like bubble baths or body washes. The short answer is that you can’t incorporate these powders well into liquid products as they will either re-solidify...

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Member exclusive Q&As: Do surfactants have a shelf life? Can we mix powdered extracts with oil? Do you have micellar water formulas?

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In the January Q&A, Karen asked: I have a question regarding surfactants. Do they have a shelf life? I have tried the internet for information, but needless to say I have not gotten any definitive answers.  They do have a shelf life, something I confirmed recently in the ickiest way possible when I found a bottle...

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Member exclusive duplication: Youth to the People Kale + Green Tea Spinach Vitamins Age Prevention Cleanser (part three)

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Let’s create a potential formula for this product, which is billed as a “Superfood face wash” that is “pH balanced” that is so multifaceted that you can use it as your daily toner, makeup remover, and gel cleanser.” If you want to follow along, check out part one of this post where we review the ingredient...

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Member exclusive Q&A: What’s the deal with the emulsifier, Crodex A (INCI: Cetearyl Alcohol (and) Sodium Lauryl Sulfate), which we might find in Lush products?

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In the January Q&A on Patreon, Tash asked: I found something that’s a bit intriguing, and couldn’t find a reference to it anywhere on your blog. This is a bit of weird product I’m scratching my head over. It seems archaic when compared to some of the nice e-waxes that have appeared lately : Crodex A: (Cetearyl...

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