Usage: 1. Drop on tissue or cloth: Add 1 drop of essential oil on tissue or cloth, and place it in the surrounding space, on the pillow, or in a bag. 2. Crystal diffuser: Directly pour the essential oil into the glass bottle of the diffuser, without adding water. 3. Water oxygen diffuser: Add 3-5 drops of essential oil to every 100cc of water, and adjust the concentration according to personal preference. 4. Car diffuser: Use with the MINI diffuser, portable diffuser, water oxygen diffuser, or drop 3-5 drops of essential oil on a cotton pad or tissue and place it in the car. Notes: 1. Not suitable for pregnant women, infants under three years old, and those who are allergic to essential oils. 2. The metabolic function of cats and dogs is different from that of humans, and essential oils should not be applied to their bodies. Do not use diffusers or water oxygen diffusers when there are dogs in the room. Do not use diffusers or water oxygen diffusers in a room where cats are active. 3. Essential oils should not be applied directly to the skin. If it accidentally touches the skin or eyes, rinse immediately with plenty of water. 4. Not for internal use or medical purposes. 5. Please store in a cool and dark place, keep the bottle tightly closed, and keep away from fire sources. Keep out of reach of children.