mindyourmolecules
Forum Replies Created
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I’ve always assumed it’s equated to sebum due to being a wax ester, which is part of sebum, so it’s unique compared to other emollients in that regard. But as sebum is a complex mixture, and mostly triglycerides, it’s definitely an over simplified (and incorrect) comparison.
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Can you provide your ingredient list? Hard to know what could be the issue without that information!
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I had a project years ago where I was trying to gel squalane using silica dimethyl silylate, and it does thicken, but I was never able to achieve stability, even with very high levels of the gellant. If you were able to get the glycerin into formulation, you could try swapping it out for Dermanet Squalane - the squalane is ‘encapsulated’ inside of glycerin. If I recall, it’s only about 1% squalane, so you wouldn’t be able to incorporate a high amount, but if it’s mainly for the marketing story it could be worth a try!
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Have you used them before? Curious to hear how they compare!
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Oh sorry yes - the aq. phase is 57.1% water, 42.9% glycerin.
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I’ve never used kaolin as a base for powder foundation, but I’ve used sericite and talc with no additives needed for adhesion. How can you tell it’s an adhesion issue? TiO2 provides opacity for pigments, creating coverage vs. just tinting the skin with the color of the pigments, so I’m wondering if it’s a coverage issue.
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4% Water, 3% Glycerin
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I’m assuming the ratio of glycerin to water is also lowering the water activity, but since it’s going to be in contact with moisture on the lips, I’d like to play it safe. I don’t want to incorporate too much preservative though as it will change the texture of the formulation, so I’d like to go as low as possible while maintaining preservation.
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It’s an anhydrous base with the water/glycerin incorporated using Polyglyceryl-2 Diisostearate.