Q&A: Can I use tetrasodium EDTA in an acidic formulation? If so, how?

In the monthly Q&A, Free Drey asked, Hi Susan, I had some questions about Tetrasodium EDTA. I know it’s suggested to be used in high alkaline formulations, whereas Disodium EDTA is better for pH under 8. If I only had Tetrasodium EDTA, could I use it in formulations under pH 8 if I adjusted the pH...

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Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part four): The formula and process! 

Welcome back to this four part series in which we’re making a shampoo filled with a veritable botanical bounty of fantastic ingredients for normal to oily hair! In part one, Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part one): Overview and choosing surfactants!, we looked at what it meant to...

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Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part three): Product protecting ingredients! 

Six plastic bottles containing preservatives sit atop a metal plate on a digital scale

Welcome back to this four part series in which we’re making a shampoo filled with a veritable botanical bounty of fantastic ingredients for normal to oily hair! In part one, Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part one): Overview and choosing surfactants!, we looked at what it meant to...

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Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part two): Conditioners, humectants, proteins, hydrosols, and botanicals! 

Welcome back to this four part series in which we’re making a shampoo filled with a veritable botanical bounty of fantastic ingredients for normal to oily hair! In part one, Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part one): Overview and choosing surfactants!, we looked at what it meant to...

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Creating a blueberry, carob, yucca & cornsilk conditioning shampoo for oily hair (part one): Overview and choosing surfactants! 

You all know I’m a huge fan of shampoo bars – click here for my enormous post on shampoo bars that’ll help you navigate all the materials I have on these – but sometimes I like a nice liquid shampoo I can take to my hairdresser that won’t be as super bubbly, foamy, lathery™ and...

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