Q&A quickie: Can glyceryl stearate replace stearic acid in formulas?

In this post, Potential duplication of L’Occitane Immortelle Divine Cream (part four), YesYes asked: Can glyceryl stearate replace stearic acid in formulas? The short answer is no, and the longer answer is – it depends. (This is almost always the answer when it comes to substitutions as so much depends on what you’re making and the...

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Categories Q&A

Q&A quickie: Can I more than triple a lotion formula?

In the November Q&A post, Donna asked: My question is: Can I more than triple a lotion recipe? I thought I read somewhere on the blog to don’t more than triple a recipe. Even tripling a recipe to make 300 grams only equates to 10 1/2 ounces of lotion. I’d like to make more at...

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Q&A: Why did my products using Amber Romance type fragrance oil smell like rotten eggs?

In the October Q&A post, Amy asked, So here’s a stinky question! I’ve used Amber Romance (amazing scent) fragrance oil by fragrance buddy, in a batch of shampoo bars and a lotion bars, and a few days later they started smelling like rotten eggs ?. WHY?? Maybe because they’re heated? I haven’t had any other fragrances do...

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Q&A: Which emulsifiers do we use to make a lotion containing acids, such as AHAs or fruit acid complex?

In the October Q&A post, Sarah asked: This is a question that has been consuming me – which emulsifiers do we use to make a lotion or cream (not a gel) containing acids, such as fruit AHAs, and lactic acid? Seriously! Which ones? Signed, Old and Wrinkly Kristina shared, Simulgreen 18-2 is ECOcert and Natrue certified, AND is stable between ph...

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Surfactants: Cleansing descriptions and increasing mildness – analyzing surfactants

Thanks for sticking around to the end of this series. I know for some this might seem like a very dry subject and some of you are yelling at the screen for me to shut up about chemistry stuff and get to the formulas, but if you have a curious mind and want to learn...

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