How to clean oil bottle

Refined oil bottle and dropper can use liquid soap to wash, clean dropper has a soft brush of a long and thin shape, but the sale of chemical experiment items to buy, it will be very hard to get, mm in clean dropper, soaking method can be used, add some broken face towel paper in water, press the rubber head for many times, can increase friction confetti!!!!! Then soak for a while, and then repeat, you can generally clean up!! Wash liquid to use, will wash hand sanitizer into a solution of water can be diluted! The dropper that clean, won't be infected with water oil composition commonly, clean dropper, after dropping a kind of oil, also have tube mouth to be infected with only commonly a few oil, want to wipe clean only ok!! If mm finds that the inner wall is contaminated with other kinds of oil and cannot be cleaned out, please use the dropper alone to prevent contamination of the essential oil!! After the essential oil is polluted, the storage time will be shortened!!