... workmanship. Efficacy:1, Generating heat.2, Increasing the blood oxygen and nutrients.3, Promoting blood circulation. 4, Increasing ... chemicals led to this reaction: endostatin and collagenase. Endostatin produced in the epidermis and prevent the primary cell division. Upper cell death ... rest. 6, treatment time is about 20 minutes, and the treatment may cause 10 minutes short of swelling, hot, ...