Chemistry Thursday: Carboxylic acids – very long chain fatty acids, behenic acid (C22:0) and higher, and how behentrimonium methosulfate (BTMS) or behentrimonium chloride (BTMC) works, part 29

Welcome back to our introduction to cosmetic chemistry series! I hope you’re enjoying it so far. I know I am! Let’s talk more about carboxylic acids, specifically the fatty acids we find in our ingredients and oils. This week, it’s all about behenic acid (C22:0) – the fatty acids, but more importantly, the ingredients derived...

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Tutorial: How to make wax melts or wax tarts!

Three pink wax tarts with a lotus motif sit on a black metal wax tart burner with a pink candle underneath

I can’t believe I haven’t shared how to make wax tarts with you here on the site! It’s one of the easiest things you’ll make – we made them with our tween youth group every year, and they had a blast! You can choose from all kinds of moulds, packaging, colours, and fragrances to make...

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Let’s make a 10 minute rinse-off conditioner with all kinds of humectants, botanicals, conditioners, proteins, and more: Part four, adding proteins! 

Let’s create an awesome conditioner into which we can add all kinds of wonderful ingredients, including the awesome new-to-us humectant XYLISHINE™ (INCI: Xylitylglucoside (and) Anhydroxylitol (and) Maltitol (and) Xylitol (and) Pelvetia Canaliculata Extract). In part one, we looked at what a conditioner is, why we’d use certain ingredients, chose our conditioning emulsifier, then we created...

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Let’s make a 10 minute rinse-off conditioner with all kinds of humectants, botanicals, conditioners, proteins, and more: Part three, adding botanical extracts and a modified formula to include them

A white emulsion in a container with a spatula in it

Let’s create an awesome conditioner into which we can add all kinds of wonderful ingredients, including the awesome new-to-us humectant XYLISHINE™ (INCI: Xylitylglucoside (and) Anhydroxylitol (and) Maltitol (and) Xylitol (and) Pelvetia Canaliculata Extract). In part one, we looked at what a conditioner is, why we’d use certain ingredients, chose our conditioning emulsifier, then we created...

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