Do keep the bottle lids on tight.
A tight lid prevents oxidation, air, or water from getting inside the bottle.
- Less contact with air allows the oil to retain its properties. Frequent and prolonged exposure to air can alter consistency, smell, and properties of the oil.
- Closing lids tightly also stops oil from evaporating.
YL tip: The plastic fitment on the bottle, which allows the oil to escape one drop at a time, also helps keep air and water out. Be sure to leave it on the bottle!