When it comes to customizing essential oil bottles, there are many aspects that should be considered, such as label production, the shape of the bottle, and the color that goes on with the bottle itself. The bottle can be made from glass or plastic and eco friendly materials which are ideal for brands. You may also want to consider adding functional components such as dropper tops and spray nozzles. Involving design professionals will also help maintain the integrity of your bottle design and target the right market.