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Strange Bubbles in Formula
Hi everyone - I have a question about the pomade formula below and bubbles that I’m getting on the surface after I pour it into its container. The bubbles appear almost immediately and once they harden, you can rub/lightly scratch them off of the surface and the product below it is perfect. The bubbles are small and similar to a coarse sandpaper in size.
Ceteareth-25 25%
Peg-7 Glyceral Cocoate 6%Water 53.2%
Glycerin 6%
Propylene Glycol 4%
PVP 1%
Triethanolamine %.3
Phenoxyethanol SA 1%
Bamboo Extract .5%PEG-40 HCO 2.5%
Fragrance .5%All of this is heated to 85-87C
Thanks in advance!
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6 Replies
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Maybe bubbles of air from mixing?
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That would be my guess. What type of mixer are you using?
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Look at those who ethoxylates, will be surprised if there is no foaming. On the brighter side, it’s all in the process. But minimal foaming is unavoidable.
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My guess this is on small scale formulations, correct? No real way of avoiding it. Bottom filling with larger batches will alleviate most bubbles. Large batches will also have foam/bubbles which form on the surface during heating and agitation.
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Dirtnap1 said:My guess this is on small scale formulations, correct? No real way of avoiding it. Bottom filling with larger batches will alleviate most bubbles. Large batches will also have foam/bubbles which form on the surface during heating and agitation.
That makes sense. Thanks for your help!
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Perry said:That would be my guess. What type of mixer are you using?
Hand mixing with a whisk. I slowed down the stirring quite a bit and that seemed to help in reducing the amount
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