Because the bedroom doors and windows are closed at night and the air is not circulating, if the concentration of volatile aroma is too high, inhaling too strong fragrance for a long time is harmful to the body.
A small amount of appropriate aromatherapy can change the air taste of the environment, soothe nerves or adjust people's emotions, which is harmless and even beneficial to people; However, excessive aromatherapy can not only disinfect and purify the air, but also change the composition of normal air, which not only fails to achieve the expected purpose, but also makes people feel uncomfortable and irritable, and even leads to allergies to certain smells and diseases.