Ingredients

Weekend Wonderings: A few administrative things. Do we have to throw away distilled water after opening?

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Welcome to all the new readers of the blog! I’m so happy to see your enthusiasm for making your own bath & body products! I can’t encourage you enough to do a search for what interests you or take the quick tour of what the blog has to offer to see where you can find information....

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Weekend Wonderings: Amount of active in our ingredients?

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In this post, Iron chemist: Sodium lactate, Matt asks: When you say “I use sodium lactate at 2.5% or lower in my products because at 3% it can make you sun sensitive” Do you mean the total concentration of sodium lactate should not exceed 2.5%? I have the liquid version which is a 60/40 blend...

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Ingredient: Watermelon seed oil

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Watermelon seed oil (INCI Citrullus lanatus (watermelon) seed oil) is a pale yellow, light to medium weight, slightly greasy feeling oil that comes from the watermelon seed. The version I have is cold expeller pressed, but you can find solvent extracted versions. It contains 11% palmitic acid (C16), 10% stearic acid (C18:0), 15% oleic acid...

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What do you want to know? What’s up with myristic acid?

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In the What do you want to know? post, Leann asks: I was given some Myristic Acid. I know this is a fatty acid used in medical products and food. It can increase absorption is what I’ve found in searches but is there any way you could elaborate on its practical uses in formulating bath &...

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What do you want to know? Does beeswax offer any benefits to our skin?

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In the What do you want to know? post, Jodi asks: Would a lotion bar with harder butters or stearic acid work as well as lotion bars with beeswax? Is my skin getting extra benefits from the beeswax? So what’s the deal with beeswax? It’s composed of esters – 70%, with myricyl palmitate being the main...

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