Welcome to February!

Sorry for the delay in posting this. I thought I had written it up earlier in the week, but it turns out I didn’t save it or maybe I just dreamt I wrote it?You might see things in this post I’ve written elsewhere, so I beg your patience as I try to figure out where...

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Discussion: What piece of equipment are you hankering for?

I have two things I would love to own – a mixer that I don’t have to hold and a magnestic stirring hot plate. The magnetic stirring hot plate would do two things – stir and heat, which would be awesome. You get a little metal capsule, which you put into the beaker, then it...

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Member exclusive Q&A: What should be the pH of our finished products for willow bark extract?

In yesterday’s post, we started a discussion on the pH of our products when using AHAs. Today, let’s take a look at willow bark as per Marta’s question in the January Q&A! I’m a big fan of willow bark extract as it contains all that lovely salicylic acid, but it’s far easier to use in...

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Member exclusive Q&A: What should be the pH of our finished products for fruit acid complex?

In the January Q&A, Marta asked: What is the recommended pH for a facial product containing fruit acid complex or willow bark extract? You have discussed concerns about a pH being too low in formulations containing (straight) alpha hydroxy acids or salicylic acid. Yet, should one be reducing the pH in a product containing fruit acid...

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Member exclusive Q&As: Do surfactants have a shelf life? Can we mix powdered extracts with oil? Do you have micellar water formulas?

In the January Q&A, Karen asked: I have a question regarding surfactants. Do they have a shelf life? I have tried the internet for information, but needless to say I have not gotten any definitive answers.  They do have a shelf life, something I confirmed recently in the ickiest way possible when I found a bottle...

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