A Dropper Bottle is usually glass containers with a dropper, used to store various solutions, distilled water, reagents, etc., such as CBD oil, hemp oil, herbal oil, essential oil, cosmetics, etc. The bottle is translucent so that you can see the amount of liquid in there. Some dropper bottles are made from darker glass, such as amber, to protect certain medications. It can be useful because liquid cant be extracted by squeezing when glass bottles are being used. The bottle is one of the safest methods for storing medicine. The Dropper Bottle is very useful.