SwiftCraftyMonkey

SwiftCraftyMonkey

Chemistry Thursday (on Sunday): Osmosis (updated)

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What the heck is osmosis? “Osmosis is the movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, aiming to equalize the solute concentrations on the two sides. It may also be used to describe a physical process in which any solvent moves, without input of energy, across a...

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Humectants: A lotion maker’s best friend or moisture thief?

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I’ve always thought of February 27, 2009, as the official birthday of the blog as this is when I decided to blog every single day about some kind of bath or body thing, be it an ingredient, a recipe, or a fun fact to know and learn. One of the earlier posts was entitled Humecants are...

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Some questions I’ve been asked this week about xanthan gum

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In this post on xanthan gum, Anonymous writes: Hi Susan! Just wanted to make sure I understood right, is it ok to use xanthan gum up to 2%, even for mild facial cleansers? Some say xanthan gum lowers the shelf life of products. Is that true? Lastly, I really like using polyquat 7 because it...

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Chemistry Thursday: What is a molecule?

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What does it mean if something is a molecule? “A molecule is an electrically neutral group of two or more atoms held together by covalent chemical bonds.” (Wikipedia). In other words, a molecule is when you have two or more atoms bound together in some way. One atom does not make a molecule – hydrogen...

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Substitutions: Playing around with a basic recipe

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As I mentioned in yesterday’s post on substitutions, I simply can’t make a substitutions list because substituting one ingredient for another is a matter of personal preference and context. There are some ingredients you can’t leave out – for instance, you must have an emulsifier in a lotion and no water containing product should ever...

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