Class c silicone can be close-fitting. Class C silica gel usually refers to a certain grade of silicone adhesive or silica gel material. Silica gel is an extremely stable and safe material, which does not contain any toxic substances. It can be close to the skin, but whether it is suitable for close-fitting depends on the quality of silica gel and the close-fitting method you are involved in. When using silicone as a personal material, it is recommended to choose a silicone product with better quality to ensure that it is non-toxic, harmless, comfortable and not easy to cause allergies or skin irritation. If you have ever been allergic to silicone or other materials, you should consult your doctor before using silicone products. In addition, the use of silicone products close to the skin may produce a certain sense of oppression or discomfort to the skin. For people with sensitive skin, it is recommended to try it in a small area before use. In the process of using silicone products, if you feel uncomfortable or have skin problems, you should stop using them in time and consult a doctor.