Cosmetic chemistry

Let’s talk about specific gravity (relative density or specific density) – part two, using it to figure out how much foaming hand cleanser to make!

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Welcome back to this series in which we’re learning more about specific density of our ingredients and why it matters. Yesterday, we talked about what specific gravity (relative density or specific density) meant, then we took a look at how we might make an anhydrous facial serum using these concepts. Today, let’s take a look at...

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Let’s talk about specific gravity (relative density or specific density) – part one, what is it and how can we use it to make an awesome facial serum?

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Welcome to part one of a short, three part series on specific gravity! We’ll be taking a look at what this concept is, what it means for our products, how to use it to create a facial serum and foaming hand cleanser, and how it impacts fragrance oils. First, what is specific gravity? “Relative density, specific...

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Combining emollients: Part nine, let’s take a look at some emollients!

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We made it! We’re on part nine, the last part of this series (for now). Today, let’s take a look at some specific emollients to predict what they might be like when it comes to spreadability, skin feel, viscosity, and all the other factors we’ve investigated throughout this series. Click here to see the home page for...

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Combining emollients: Review sheet for the entire series (section 8, part two)

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Let’s update our review page to see what we’ve learned so far so we can start playing with our emollients! (You can find the home page for this combining emollients series by clicking here!) This one is updated with everything in the series to the end of part eight. The larger the spreading value of...

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Combining emollients: Part eight, putting it all together and spreading values!

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Wow, this has been quite a series! Let’s review what we’ve learned and put it all together to make sense of it. Let’s recap!  Click here to see the home page for this series!  In section one, we took a look at the concept of combining emollients to create interesting sensory experiences. In section two,...

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