... of each person to decide the length of wear, generally recommended to use twice a day, each ... they can take off, do not long time wear, or may cause low-temperature burns. First, ... Note: 1. High fever, bleeding tendency, temperature, wear parts of sensory disturbance and damage the skin is ... neutral detergent, slightly (5 minutes wash).7. Pregnant women and children should not be used. Hight Quality ...