The practical dropper bottles are ideal for use in medical, cosmetic, chemical and biological laboratories for precise addition of reagents or chemicals, titration and other analytical procedures. They are also used in the food industry and in the kitchen for precise mixing of oils, flavours, colourings or preservatives. The practical dropper bottles are ideal for use in medical, cosmetic, chemical and biological laboratories for precise addition of reagents or chemicals, titration and other analytical procedures. They are also used in the food industry and in the kitchen for precise mixing of oils, flavours, colourings or preservatives.