polysorbate 20

I’m at my wits end. I used to use peg 40 to emulsify my oils, I’ve recently switched to polysorbate 20. recipie for fragrance spray. 5% fragrance oil, 1% veg glycerine, Polysorbate 20, Toped up to 1litre with water. mom having massive problems with either the oil separating to the top...