The peels will turn black, but the fruit itself will be good for several extra days.
It performs better when stored in a cool place. But be sure to let it come to room temperature before opening the container to prevent condensation on the film’s surface.
Cool temperatures preserve the oil. Stir once before refrigerating and it shouldn’t separate later.
Transferred to a freezer bag, it will last six times as long in the fridge as it would in the pantry. (White flour is fine stored there.)
Refrigeration can help these fragrances retain their scent for about two years. (Perfume, however, should be stored at room temperature.)
They’ll stay fresh longer here than in the pantry.