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Vitamin C Serum and Polysorbate 80

8K views 1 reply 2 participants last post by  gymrat 
#1 ·
I'm trying to figure out the correct amount of polysorbate 80 to use in my c serum. The only oil I use is 1% Vitamin E and I combine that with 1% polysorbate 80. It seems to stay emulsified for about a week or so but then starts to slowly start coming apart. Should I increase the amount of polysorbate 80 or do I need a secondary emulsifier? I would like to have it so it doesn't separate at all.

Thanks for any suggestions or tips :)
 
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