No. Feiyang Nasal Washer is the "star" nasal care product of Hangzhou Feiyang Biotechnology Co., Ltd. It has more than 40 technical patents and is not a pyramid scheme. A nasal washer is a tool used to clean the nasal cavity. It is a bottle with a liquid outlet and a nozzle. By squeezing the bottle to generate a certain pressure, the saline is sent into the nostrils and flows through the nasal vestibule, nasal threshold, sinuses, The nasal passage passes through the nasopharynx and is discharged from the mouth of one nostril.