Menstrual cups are reusable menstrual management tools, usually made of soft and flexible materials such as medical-grade silicone or latex. USP VI (or USP Class VI) is one of the six test levels defined by the United States Pharmacopeial Convention (USP) and is the most stringent of all USP tests. This test is mainly used to prove that the product will not cause harmful reactions or long-term physical effects due to chemicals leaching from the plastic material.
Whether the silicone raw materials of menstrual cups need to pass the USP VI test depends mainly on the intended use of the product, the target market, and relevant regulatory requirements. Although not all markets require the silicone raw materials of menstrual cups to pass the USP VI test, considering that menstrual cups are medical devices that come into direct contact with the human body, their safety and biocompatibility are crucial.
Biocompatibility refers to the mutual adaptability between medical materials and the patient's tissues and physiological systems. Biocompatibility testing is an important means to evaluate the biological, physical, and chemical reactions that may occur after medical device products come into contact with the human body. For silicone menstrual cups, passing the biocompatibility test can ensure that they will not have adverse effects on human tissues during use.
Although USP VI testing is one of the important means to evaluate the biocompatibility of medical device products, it is not the only standard. Other international or regional standards (such as ISO 10993 series standards) may also be used to evaluate the biocompatibility of medical device products.
In summary, although not all markets require that the silicone raw materials of menstrual cups must pass the USP VI test, considering the safety and biocompatibility requirements of the products, manufacturers usually choose to conduct relevant biocompatibility tests to ensure the quality and safety of the products. Therefore, when consumers buy menstrual cups, they should pay attention to the product's test report and certification status to choose products that meet their needs and safety standards.

