Q&A: Can I make up batches of product and scent it later? How do I do that? And a disclaimer on how much fragrance oil to use in a formula!

Original post from November 16, 2010… An e-mail question came in asking this question…Can I make up batches of lotion and scent them later? What about things like body wash? The answer to this is simple. Yes. I’ll make up a large batch of lotion with all the ingredients, except the fragrance oils, and store...

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Formulating Fundamentals Friday: How thickeners affect the properties of a lotion – stearic acid & lanolin alcohol (part two)

Welcome back to Formulating Fundamentals Friday! I’ve added a new section of the blog I’ve entitled Formulating Fundamentals where you’ll find these posts along with the other ones I’ve written about defining cosmetic chemistry terms. I also encourage you to have the glossary open as we work through this series as a reference. In part...

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Formulating Fundamentals Friday: How thickeners affect the properties of a lotion – stearic acid & lanolin alcohol (part one)

Welcome back to Formulating Fundamentals Friday! I’ve added a new section of the blog I’ve entitled Formulating Fundamentals where you’ll find these posts along with the other ones I’ve written about defining cosmetic chemistry terms. I also encourage you to have the glossary open as we work through this series as a reference. In part...

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Formulating Fundamentals Friday: How thickeners affect the properties of a lotion – fatty alcohol

Welcome back to Formulating Fundamentals Friday! I’ve added a new section of the blog I’ve entitled Formulating Fundamentals where you’ll find these posts along with the other ones I’ve written about defining cosmetic chemistry terms. I also encourage you to have the glossary open as we work through this series as a reference. In part...

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Formulating Fundamentals Friday: How emulsifiers affect the properties of a lotion – part two

In part one, we looked at substituting one oil or butter for another oil or butter in a lotion. In part two, we altered the viscosity by altering the oil phase. In part three, we took a look at how your choice of emulsifier alters the properties of a lotion, and made lotions with emulsifying...

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