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Hello and good morning!

I currently have polysorbate 80 but I am looking into buying Peg 40 hydrogenated castor oil. I need an emulsifier in an oil to water facial cleanser. (20:80 oil to “water.” “Water” being rose water/aloe Vera/witch hazel.) I have read Peg 40 hydrogenated castor oil is preferred over polysorbates in the cosmetic making community.

Do you think this is true based on how I plan to you use it? Can you advise the recommended usage rate? Also, Would vegetable glycerin aid the emulsifier in this situation?

I was looking into calculating HLB here:

https://chemistscorner.com/hlb-the-easiest-way-to-create-an-emulsion/

And I can understand the calculating HLB of an oil phase but calculating HLB of a surfactant is confusing me.

Thank you so much for your time and help! Cami

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