YoungLia
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- YoungLia
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oh what a beast.... Is this the same machine to make lotions and emulsions? Thanks Bobzchemist!
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Thank you for the replies.
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Yes, I also think petrolatum and petroleum jelly is the same with the same CAS number. USP petrolatum is the USP petroleum jelly. BP/Ph Eur/JP are also equivalent to USP. The catch is USP or non USP petroleum have the same CAS number.
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Yes, it was stored in a 25C/77F room, it gives out liquid phase. Other petroleum jelly on the test did not. Did suspect some fishy business, because the item doesn't have batch number. Complaint, and got a replacement but batch number doesn't tally…
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Thank you Perry
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Thank you Mike_M
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Wow...So what is the norm out there then (for cosmetics such as lotion/ointment)? Just grab a 'standard' plastic packaging like LDPE/HDPE and run PET only?My question was originated from my observation::: when I stored the petrolatum based product i…
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I am aware of stability test, but how far will it cover leaching of plastic/container to the content?
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Thank you all for your time replying and sharing!
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Yes, safety and stability testing will be the next thing I will put my head into. May be posting more questions after that :). Thanks again Bobzchemist.
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Hi Bobzchemist,Thank you.As for making water-in-petrolatum emulsion, I presume we also need emulsifier don't we? Or is there a way to avoid it altogether, yet still have a stable emulsion (considering that my water part may be as low as 10%)? (sound…
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