Chemistry

Reference post: How I’m calculating cost per gram for ingredients

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I’ve been trying to include the cost of each ingredient in grams for the products I’ve been making lately, so I thought I should share how I’m figuring that out for future reference. You can see this in action in the recent Sisley Paris Floral Lotion duplication. I go to the supplier where I bought...

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Esters: Cetyl ricinoleate – simple ester

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Catch up on this series: Part one, the chemistry and nomenclature of esters; part two, types of esters and their sensory characteristics; and part three, chemistry of the sensory characteristics. We also took a look at the hydrolysis of esters, and simple esters!  Cetyl ricinoleate is derived from ricinoleic acid from castor oil, so it’s a palm-free...

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#alltheingredients: Cream of tartar (INCI: potassium bitartrate)

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I’m shocked I’ve never written about this ingredient before, so let’s rectify that mistake, eh? Cream of tartar is an an acidic ingredient also known as potassium bitartrate or potassium hydrogen tartrate* derived from wine making, and used a few different ways in cooking and creating bath and body products. We use it as a...

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Esters: Cetyl palmitate, simple ester

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Catch up on this series: Part one, the chemistry and nomenclature of esters; part two, types of esters and their sensory characteristics; and part three, chemistry of the sensory characteristics. We also took a look at the hydrolysis of esters, and simple esters!  Cetyl Palmitate is a simple ester, a white, waxy flake used as a...

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Esters: The hydrolysis of esters

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In the post on simple esters, I noted that we don’t want to use these in products that have acidic or alkaline pH ranges lower than 5 and more than 10 because they’re unstable and can hydrolyze. What exactly does this mean? Hydrolysis is “any chemical reaction in which a molecule of water ruptures one...

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