Ounona Roller Ball Bottles

Yes, the roller ball mechanism is designed to handle standard essential oils and carrier oils effectively. However, very viscous liquids may flow more slowly, so we recommend testing with a small amount first to ensure the consistency works with the ball's rotation.

Absolutely. Because they are made of durable glass, you can easily clean them with warm, soapy water or rubbing alcohol between uses. Just ensure the bottle is completely dry before adding a new liquid to avoid cross-contamination.

Yes, these vials are TSA-approved and compact, making them perfect for travel. Their leak-proof design is specifically intended for portability, so you can safely store them in your purse or toiletry bag without worrying about spills.

The roller balls are designed for a smooth glide to prevent sticking. While they are leak-proof, it is important to ensure the cap is screwed on tightly after each use to maintain the seal and prevent any evaporation or leakage.

Using a small funnel or a pipette is the most efficient way to fill these bottles. Since the opening is narrow, these tools will help you transfer your perfumes or oils precisely without spilling.