2. Sunbathing your back, let the heat flow spread all over your body, regulate your body temperature, and dredge the meridians. At the same time, it can also make your blood circulation and qi and blood run more smoothly, so that your metabolism can keep up and your detoxification ability will be stronger.
3, the most important thing is that drying the back can force out the moisture in the body, with less moisture, less constipation, and toxins and garbage in the body can be excreted faster.