Baking soda clumping in deodorant

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mmsx9342

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Dec 21, 2022
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I came up with a deodorant recipe I absolutely love, but I keep having the issue of the baking soda making small little clumps in it after a few days. I use arrowroot powder and only 2% of the recipe is baking soda since it irritates my skin otherwise. I know it is the baking soda because my other recipe is the exact same just without the baking soda, and it doesn’t get the clumps. I make sure to mix it really well and add slowly. Maybe I am just not mixing well enough? I love that it works but I can’t sell it with the clumps. Thanks for any advice you can give!
 
Try to keep mixing it while it cools. FWIW, I stopped using baking soda because so many of my family members reacted badly to it. Magnesium hydroxide works really well instead.
 
I second the suggestion to mix while cooling. It's essential to evenly suspend something like baking soda. I really like Humblebee & Me's ice bath method for this.

What sort of base formula is your deodorant? Is it like a lotion bar, with oils and waxes? Or a gelled stick with sodium stearate and a glycol?
 

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