The duration of the aroma depends on multiple factors, including the type of essential oil used, its volatility, and the amount of oil applied. Generally, lighter oils with high volatility, such as citrus oils, may last for a couple of days, while heavier oils like sandalwood or patchouli can diffuse for up to a week.
Additionally, the number of drops you apply to the cotton pad or lava stone within the pendant will also affect the diffusion time. If you prefer a more subtle scent, use 1-2 drops to begin with; for a stronger aroma, you can add 2-3 drops. You have the flexibility to reapply or switch oils on the pad as desired to customize your aromatherapy experience throughout the day.