When you say Tianxiang, you mean the fragrant powder developed by Sun Yongde, an old Chinese doctor, which is made of 38 kinds of pure natural Chinese herbal medicines, such as Artemisia argyi, lavender, almond and Fritillaria. It is a compound preparation, not a traditional Chinese medicine, and has the following effects:

(1) can significantly remove all kinds of indoor (car) odors and harmful gases, such as formaldehyde, benzene, tvoc, etc.

(2) Long-term use can effectively improve human immunity, and can effectively prevent and treat respiratory diseases and various influenza and plagues.