Q: How long will 120 ml last?
A: Hi Constance! The 120mL bottle should last 1-2 months depending on your frequency and strength settings. Thanks!
Q: How long does one bottle last if used everyday?
A: Hi Christian! The longevity of the bottle will depend on the size of the bottle, as well as the strength and frequency you have your diffuser set to. Typically a 120mL bottle will last 1-2 months. Thanks!