active ingredients

Substantiating claims: How much improvement can be expected from actives?

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In the monthly Q&A, Susan asked, I have a number of age / liver spots on my hands and face, as I was part of the “let’s use baby oil to get a suntan” generation. I am hoping that you could tell me the best actives to tone these little beauties down. I am specifically...

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Substantiating claims: What does it mean to “brighten skin” or “reduce the appearance” of something? Looking at parameters, measuring, and testing (long post)

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Oh wow, did I go down the rabbit hole for a question posed by Susan on the monthly Q&A quite a few months back. As with many of the awesome questions you ask there, this one took a while because it’s become a series that might end up being an e-book as well. Thank you for...

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Q&A: How do I use n-acetyl glucosamine in heated emulsions?

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In this month’s Q&A, Susan asked, Happy day to you! I’m hoping you could tell me how to add n-acetyl glucosamine to heated emulsion face lotions. All I’ve found is that it should be dissolved in water and added to a formulation below 50˚C. Since we’re heating to 70˚C to make the emulsion this would bring...

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Q&A: Modifying a quick refreshing scalp spray – part three, creating a salicylic acid spray, then comparing the three formulas we’ve created (formula)

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Welcome back to this short series in which we’re modifying a formula for a quick spray refresher I created back in 2017 intended to soothe, protect, condition, moisturize, and cool annoyed, itchy, or otherwise perturbed scalps. In part one, we created a formula removing the ingredients Tiba didn’t want to use. In part two,  let’s...

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Q&A: Modifying a quick refreshing scalp spray – part two, working with salicylic acid 

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Welcome back to this short series in which we’re modifying a formula for a quick spray refresher I created back in 2017 intended to soothe, protect, condition, moisturize, and cool annoyed, itchy, or otherwise perturbed scalps. Yesterday, we created a formula removing the ingredients Tiba didn’t want to use. Today, let’s take a look at...

This content is for Foundation, Formulation, and Innovation members only.
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