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Alternatives to Sodium Stearate (to create a solid deodorant with a glycol)
I’ve been using a roll-on liquid deodorant I made with Silverion 2400 and 5% lactic acid, and I really like it, but I’m hankering for a solid formula. Unfortunately, neither Silverion 2400 nor lactic acid are compatible with the typical sodium stearate + glycerin/propylene glycol/ethanol deodorant stick, due to pH. Has anyone had success using something besides sodium stearate to create such a product?
I read another post about using carrageenan(s) to make a gel stick, so I followed the instructions in a patent using k-carrageenan (https://patents.google.com/patent/US6312702). 2% xanthan gum, 2% k-carrageenan, 96% water.
I’ve tried so many combinations of those three ingredients in different amounts, plus glycerin, propylene glycol, gellan gum, Sepimax ZEN, Sepinov EMT 10, cetyl alcohol, emulsifiers that aren’t sodium stearate… it’s becoming increasingly obvious to me that there’s something special about sodium stearate, but I can’t find the answer to what that is. All of my creations have been very jello-like; the ones that are hard enough to function as a stick transfer absolutely nothing to the skin when applied, and the ones that are able to transfer product to the skin are very unstable and break apart.
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3 Replies
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@pas1kastora Did you try replacing the stearate by Cetyl alcohol? Check out this patent: https://www.freepatentsonline.com/4743444.html
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