Cosmetic chemistry

Combining emollients: Part seven, part two: Molecular shape, size, and weight!

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Welcome back to part two of section seven of our combining emollients series! It’s been an exciting ride, and there are only a few concepts left to review before we can start playing with loads of different ones over the next few days! Yesterday, we took a look at interfacial tension and polarity. Today, we’re...

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Combining emollients: Part seven, part one: Interfacial tension and polarity!

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Welcome back! Join me today as we take a look at how interfacial tension and polarity of a molecule can influence the spreading values, viscosity, and more. Then we’ll take a look at molecular structure, shape, size, and weight tomorrow before practising all this wonderful stuff we’ve been learning in this series! Let’s recap!  Click...

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Combining emollients: Part six, viscosity and surface tension – part two, the worksheet!

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Welcome to part two of our look at the relationship between viscosity and surface tension as we review both concepts, then work through a worksheet where we combine the two concepts before we make a few products with these ideas in mind. In section one, we took a look at the concept of combining emollients...

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Combining emollients: Part six, viscosity and surface tension – part one, reviewing the concept

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Welcome back to our series on combining emollients! In this part – part or section six – we’ll combine the concepts of viscosity and surface tension to see how they affect the spreadability, spreading values, sensory characteristics, and other properties when it comes to using emollients in our products. In section one, we took a...

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Combining emollients: Part five, surface tension

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Why the picture of a lip balm at the top of this post? One, it’s full of emollients, and spreadability is really important in lip products; and two, getting that little dome at the top is about surface tension!  Welcome back to our series on combining emollients. In this part – which is part or...

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