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Hair wax (solid stick format) does not solidify completely in the bottom part
Hello everyone. I am trying to make a hair wax packaged in a deodorant push up stick. so my goal to make a very solid formulation.
this is my formulation
CCT
Beeswax
Sunflower Oil
Jojoba Oil
Coconut Oil
Polysorbate-80
Cocoa Butter
Cetyl Alcohol
BTMS-50
Candelilla Wax
Vitamin E Oil
But after using it, I observe the bottom part is relatively “liquidy” as compared to the top part. What causes this? It looks like liquids are settling at the bottom part? I am bothered that it is not as homogeneous as possible. Is it because the bottom part is not exposed with air?
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6 Replies
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Hello,
I have experience in formulating anhydrous formula with polysorbate inside.
I assume that liquid at the bottom of the stick is polysorbate-80.
Based on my previous experience, polysorbate can’t completely miscible with oil phase and will precipitate since it has higher density than the oil.
May i know why you add polysorbate in your hair wax formulation? I think you don’t need to add polysorbate. Usually i add polysorbate in anhydrous formulation such as cleansing balm or stick as a surfactant/cleanser. But in hair wax, you don’t need surfactant inside.
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Thank you for the insight. I put polysorbate 80 to make it easily washable in the hair after. Is there anything i can put in place of polysorbate 80 to make it easy to wash off?
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Some cleansing oil/shower oil use MIPA-Laureth Sulfate, it is a surfactant that can be miscible in oil-based/waterfree cleansing formula. I don’t have any experience with this surfactant, but i guess it can miscible with your formulation. May be you can try use this surfactant in your hair wax.
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Chances are some oils and waxes are not compatible (different polarity can impact miscibility when mixed), so you better check that before. A non-ionic surfactant like the polysorbate you have is more useful when there’s water present, because it acts better in a protic media.
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Ohhh. That’s something that i have never known before. Can you give me an example of this so I can understand it better? But thank you so much, will definitely be looking into this
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You can check this thread on the topic:
https://chemistscorner.com/cosmeticsciencetalk/discussion/polar-value-of-oils-and-other-lipids/
chemistscorner.com
Polar Value of Oils and Other Lipids - Chemists Corner
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