Q&A

Surfactants: Cleansing descriptions and increasing mildness – concentration and altering the shape, size, and packing of micelles

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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. And on Friday, we took a...

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Surfactants: Cleansing descriptions and increasing mildness – active surfactant matter and irritation potential

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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. Yesterday, we took a look at how micelles, critical micelle concentration, and other ingredients have an impact on surfactant classification. Today, let’s consider a few...

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Surfactants: Cleansing descriptions and increasing mildness – micelles

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Micelles are a super important part of surfactant mildness, so let’s take a look at what they are and why we should care. Micelles are defined as “an aggregate of surfactant molecules dispersed in a liquid colloid”. A colloid is a type of mixture in which one substance is evenly dispersed throughout another. There’s generally...

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Q&A: How to store shampoo or conditioner bars after use? Making a thicker conditioner with Varisoft EQ 65?  

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In the October Q&A, Sima asked: Hey everyone, just a question on Shampoo and Conditioning Bars. Was wondering what you do after you have used a your shampoo or conditioning bar on your hair? What do you place in on, do you wipe it dry, do you air dry on a soap dish, how do you...

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Q&A: Incorporating SCI into a liquid shampoo or body wash?

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In yesterday’s post, we reviewed how we might use sodium cocoyl isethionate (SCI) in a liquid product. We found was poorly soluble in water – 0.01% at 25˚C – so we took a look at a few ways we might incorporate SCI into a daily shampoo. Let’s take a look at a few different formulas...

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