Subscribers’ Q&A: What is the difference in function between Tetrahexyldecyl Ascorbate and Collageneer? Can I add Co Q10?

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In the June Q&A, Jaime asked: What is the difference in function between Tetrahexyldecyl Ascorbate and Collageneer? Can they both work in one oil serum. Can I also add Co Q10? From this post: Collageneer (INCI: Helianthus Annuus (Sunflower) Seed Oil and Lupinus Albus Seed Extract) can be used at up to 2% in the cool...

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Subscribers’ exclusive: Actives & cosmeceuticals: Coenzyme Q10

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I know we touched on this interesting cosmeceutical in this post from 2011 – Some thoughts on cosmeceuticals – but I thought it was time to re-visit Coenzyme Q10! CO-ENZYME Q10 (INCI: Ubiquinone) Purpose: Anti-aging, photo-aging Suggested usage: 0.2% to 3% in the heated oil phase until dissolved. It can precipitate out of your product, so a...

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Subscribers’ Q&A: Why does my hair feel nicer with shampoo bars? And why can’t we use Incroquat BTMS-50 in a liquid shampoo?

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In the June Q&A, Melanie asked: I have a question about shampoo. I have been making your basic shampoo recipe. I then became intrigued by the concept of shampoo bars. I made some and find they are so much nicer on my processed hair, which tends to be dry. I do however, find a liquid more...

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Subscribers’ Q&A: Can we cover our containers while heating and holding? Is colloidal silver a preservative?

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In the June Q&A, Charlette asked: I never hear other people doing this–but does anyone ever cover their water phase while it’s being heated/held? I have a small glass sauce pan cover that I wash real well and swipe with alcohol so it’s clean and use it to cover the water phase. I have also used...

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How to convert a formula from percentages to grams (updated)

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One of the most important things you can do as a beginner is to learn how to read formulas written in percentages and convert them into grams. We don’t use liquid measurements are they are so inaccurate and your products can fail pretty easily with a little too much of this and a little too...

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