Chemistry

Let’s talk about specific gravity (relative density or specific density) – part three, using it to measure fragrance oils and products

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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. In part one, 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. In part two, we looked...

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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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#alltheingredients: Eutanol G 16 S (INCI: Hexyldecyl stearate) – Guerbet ester

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Hexyldecyl stearate is a clear, liquid, slower spreading Guerbet ester with a light but rich, “intense”, non-greasy skin feel. It can be used as a dimethicone substitute in hair care products as it increases shine and works as an emollient. You may also find this as isocetyl stearate. I’ve found it under the brand names...

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#alltheingredients: Ethylhexyl palmitate – Guerbet ester, low viscosity dimethicone substitute

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You can find the home page for the Guerbet ester series by clicking this link! I’ll update it every time we meet a new ester! I’ll be referring quite a lot to the the combining emollients series in which we learned how properties like viscosity, surface tension, saturation, molecule size, molecule weight, molecule shape, polarity, and...

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