Regarding mixing the oils...could I add 20 drops (2 mL)of lavendar oil to 100ml of jojoba (for a 2% solution) and just keep that stored? If so...how long can it be stored without it "expiring"? Or would it be best just to "mix" as I go. I'm asking because I don't want to use to concentrated of applications, but as you only use a few drops of jojoba as it is... Anyway....I look forward to your response...Thanks
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--^Carol^--