Q&A

Q&A: Which emulsifiers do we use to make a lotion containing acids, such as AHAs or fruit acid complex?

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In the October Q&A post, Sarah asked: This is a question that has been consuming me – which emulsifiers do we use to make a lotion or cream (not a gel) containing acids, such as fruit AHAs, and lactic acid? Seriously! Which ones? Signed, Old and Wrinkly Kristina shared, Simulgreen 18-2 is ECOcert and Natrue certified, AND is stable between ph...

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Surfactants: Cleansing descriptions and increasing mildness – analyzing surfactants

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Thanks for sticking around to the end of this series. I know for some this might seem like a very dry subject and some of you are yelling at the screen for me to shut up about chemistry stuff and get to the formulas, but if you have a curious mind and want to learn...

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Surfactants: Cleansing descriptions and increasing mildness – almost there! 

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Yeah, I know, you ask me the time, I teach you how to build a clock. But isn’t this all so much more fun than a sentence or two on the topic? In our post last Wednesday, we took a look at a few ways we might define what it means for a surfactant to...

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Surfactants: Cleansing descriptions and increasing mildness – protein denaturation, pH, and emollients

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Three Ehrlenmeyer flasks sit on a lab bench. The first contains light pink liquid. The second, clear liquid. The third, bright pink liquid. This was a class on titration and the colours indicate how alkaline the liquid is.

In our post on Wednesday, we took a look at a few ways we might define what it means for a surfactant to be classified as gentle, mild, or harsh. Thursday, we took a look at how micelles, critical micelle concentration, and other ingredients have an impact on surfactant classification. On Friday, we took a look...

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Surfactants: Cleansing descriptions and increasing mildness – rinsability, films, and hard water

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In our post on Wednesday, we took a look at a few ways we might define what it means for a surfactant to be classified as gentle, mild, or harsh. Thursday, we took a look at how micelles, critical micelle concentration, and other ingredients have an impact on surfactant classification. On Friday, we took a look...

This content is for Foundation, Formulation, and Innovation members only.
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