Beginners’ resources

Chemistry Thursday: Esters we use as emulsifiers (overview), some emulsion chemistry, the HLB system, and PEG-esters (part 32)

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Welcome back to this introduction to cosmetic chemistry course! Let’s continue our look at esters by investigating those that work as emulsifiers. We’ll get into some emulsion theory, information on the HLB system, then get into those esters! An important note about this series – it’s here for life. It isn’t going anywhere. If you...

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Chemistry Thursday: Introduction to esters, part 30

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Welcome back to this introduction to cosmetic chemistry course! We’ve had great fun for the last few months looking at carboxylic acids as fatty acids, but it’s time to meet some esters! Woo hoo! This is a pretty huge post as I wanted to have something to which I can refer back in the future....

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Tutorial: How to make wax melts or wax tarts!

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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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Chemistry Thursday: Polyunsaturated fatty acids – alpha-linolenic, gamma-linolenic, punicic, and stearidonic acids (C18:3 – C18:4), part 27

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Welcome back to this 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 encounter over and over again in our liquid oils, solid oils, butters, and waxes. This week, we’re getting into polyunsaturated C18:3, and C18:4 fatty...

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Chemistry: Carboxylic acids – long chain fatty acids (stearic acid, C18:0) and a bit on triglycerides, part 24

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Stearic acid in a tin plate, which is a white flaky solid.

Welcome back to this introduction to 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 encounter over and over again in our liquid oils, solid oils, butters, and waxes. In part 21 of this series – carboxylic acids – we...

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