Linoleic acid: Lotion bars

A simply way to get linoleic acid on your skin is to make a simple lotion bar. (And my picture isn’t great – I have to learn how to use that white balance!) SIMPLE LOTION BAR32% beeswax33% butter33% liquid oil1% Vitamin E or other anti-oxidant at suggested rates1% fragrance or essential oils (at safe levels)Melt...

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Linoleic acid (updated)

As an introduction to looking at the various oils we can use in making our bath & body products, I thought I’d take a look at the various fatty acids on their own and see what they bring to the mix…and linoleic acid (C18:2 or octadecadienoic acid ) seemed like a good place to start....

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Determining shelf life of your lotion… (updated)

Caroline posed an interesting question…My question is if I use a certain percentage of presevative how long will my product last? How long will it be protected? Is there a timeline?   Great question! How do we figure out how long something will last? Preservatives and anti-oxidants are only one part of the equation. We...

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Citric acid

Citric acid (or 2-hydroxy-1, 2, 3-propanetricarboxylic acid) is a chelating, anti-oxidizing, and pH altering ingredient that can bind metal ions, help prevent rancidity, and alter the pH of our lotions and surfactant mixtures. It’s also a key ingredient in bath bombs. There are two types of citric acid we can buy – anhydrous (water free)...

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EDTA in our creations!

Let’s take a look at including EDTA in a lotion formula…The disodium EDTA I have from the Personal Formulator recommends usage at 0.1%, so I’ll use that as my number.A THICKER FOOT CREAM RECIPE (originally in this post…)WATER PHASE59.9% water3% glycerin0.1% disodium EDTA OIL PHASE15% oils – olive and rice bran are great choices here...

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