Heated insoles are harmless to human body. If it is a regular brand of self-heating insole, it can keep warm, improve blood circulation, diminish inflammation, relieve pain, ventilate, absorb sweat, deodorize, prevent mildew, inhibit bacteria and nourish feet, and has a certain health care function. If it is made of special materials, such as self-heating shoelaces made of chemicals, it may be harmful to the body. Therefore, when choosing to buy self-heating insoles, you must go to a regular store, or go to a regular supermarket or shopping mall to choose to buy them, which will be safer.
If you want to use it again and again, use it again and again. The fever has no previous effect, and there is nothing else. If you are after the heating effect, you can't use it repeatedly.
After all, the effect of repeated use is different from that of the first time. So now you understand.
Extended data:
Precautions:
Heated insoles are suitable for people:
1, middle-aged and elderly people with cold hands and feet, numbness and unstable blood pressure.
2. Patients with pain and numbness, old cold legs, rheumatism, arthritis and cardiovascular and cerebrovascular diseases.
3. Beauty lovers who want to wear skirts and boots in winter, but are afraid of cold legs and knees.
4. Students, teachers, doctors, drivers and sedentary people working in offices.
5, long-term outdoor work in winter and people with chilblain and beriberi.