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Mixing o/w and w/o emulsions?
Is it silly to combine two emulsions together? will it be unstable over time?
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5 Replies
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You mean mixing two finished products?Well, at first glance it is silly. After second thoughts it may give an entirely new product if you’re lucky, use the right mixing technique, and at least one of the two allows for cold emulsification.Chances for failure are way more likely than for success and that’s just based on physical possibility of mixing, not long-term stability, sensorial profile, or effects. -
there are ways to formulate 3-phase emulsions (o/w/o or w/o/w) but it’s a highly specialist technique, and not generally necessary for cosmetics and toiletries
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Thanks @Bill_Toge and @Pharma for your inputs!
Yes, mixing 2 finished products. I’m trying to create a rinse-off body scrub, but with o/w emulsions i find that it rinses off too cleanly with no residue. I want an occlusive layer left behind, which I achieved when i mixed in a small percentage of a w/o from a previous project. Off the bat it looks really stable, i guess i’ll only know how it’ll hold up against time
Alicia
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Ah, I see. Why not just add some ‘re-fattening’ ingredient such as a plain oil, glyceryl oleate, polyglyceryl-3 oleate or stuff like that?
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Thanks for pointing me in that direction, @Pharma. I’ll have a look, much appreciated!
Alicia
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