Hydroxypropyl methyl cellulose is a semi synthetic, inactive, and viscoelastic polymer, also known as HPMC or MHPC. It is made by using highly pure cotton cellulose as raw material and undergoing specialized etherification under alkaline conditions. It has different roles in different industries and can be applied in the medical industry, construction industry, ceramic manufacturing industry, and so on. Among them, hydroxypropyl methylcellulose is commonly used in various pharmaceutical products in the pharmaceutical industry.

Contact allergy: Individuals may have allergic reactions to HPMC, such as skin irritation, rash, respiratory discomfort, etc. If allergic symptoms occur after using HPMC products, stop using immediately and consult a doctor.

Ingestion risk: HPMC is commonly used in medicine and food processing, but direct consumption is not recommended. Under normal use, HPMC does not pose any harm to the human body, but excessive consumption may cause gastrointestinal discomfort. If ingesting a large amount of HPMC or experiencing discomfort, medical assistance should be sought.

Dust protection: When handling HPMC powder, appropriate protective measures should be taken to avoid inhaling dust. Long term exposure to high concentrations of HPMC dust may cause irritation to the respiratory system.