People who pay attention to personal hygiene and pursue a high quality of life.
There are rhinitis, sinusitis, respiratory diseases and postoperative population.
People with a high risk of occupational diseases of high dust respiratory tract. Such as: teachers, traffic police, miners, textile workers, etc.
Smokers (and secondhand smokers).
Children, pregnant women, the elderly and other groups who avoid drugs.
People with dry nose who work in an air-conditioned environment for a long time.