need a preservative?
I thinking of this spray formula for dry skin and minor scratches.
Calophyllum Inophyllum seed oil 0.5%
Eucalyptus Globulus Oil 0.5
Aloe vera extract 3
Peg 40 hydrogenated castor oil 3
are there other ingredients I should add to make it more effective?
Should i have a preservative since I have high amount of ethanol?
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