The majority of essential oil types are not commonly bottled in plastic because many of them are caustic enough to eventually degrade plastic containers.

Disassemble the glass roller. Place your parts in hot, soapy water. For five to ten minutes, let soak. If you can, use tiny brushes to scrub each piece then rinse well in warm water. Dry.

Yes, you most certainly can reuse your roller bottles.

At Centaur Packaging we have a roller key which makes it easy to remove and insert your roller.