Member-to-member super happy wonderful sharing & caring post (September 2018)

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Last month, we tried little experiment in the form of the Member-to-member super happy wonderful sharing & caring post, an open post for you to share your thoughts, ask questions, share formulas, and generally connect with other people on this blog. I’m pleased to say it was a rousing success! So I present this post...

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Defining some cosmetic chemistry terms: Spreadability, play time, cushion, drag, slip & glide, and melt point

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Let’s spend a little more time getting to know some formulating terms and concepts! Check out these posts from Saturday and Sunday… Defining some scientific terms: Solubility, viscosity, surface tension, and interfaces Defining some scientific terms: Contact angle, wetting, refractive index, and specific gravity As we work through these definitions, think about how these ingredients...

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Resources: Beginners start here! and the new glossary page

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I wanted to draw your attention to a new section of the blog, the glossary, which you can find up there in the menu under “resources”. You can find all kinds of definitions there, and I’ll be updating it as we add more! And if you’re a beginner, don’t forget about the Beginners start here...

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Something weird is happening with PayPal…

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If you’re buying e-materials, something is happening with payments if you’re using PayPal. Some are failing while others are pending for an unusual length of time. This means you see the money has come from your PayPal account, but the shop is being told the payment is “pending” and doesn’t release the materials to you....

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Defining some scientific terms: Contact angle, wetting, refractive index, and specific gravity

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Yesterday, we took a look at some concepts we’ll need when discussing silicones, esters, and thickeners for surfactants. Today, let’s take a look at a few more. Contact angle: “The contact angle is defined as the angle the water makes with the surface. In this illustration, a low contact angle (θ<90 ̊) means the surface...

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