Han River Hair Dryer HRHD02BKThe new and new concept hair dryer adopts double negative ion technology to keep the hair smooth until the end. Moisturizing ions can neutralize static electricity, reduce frizz, and tighten hair phosphorus fragments; moisturizes the hair roots, prevents hair loss. Note: The new type of hair dryer adopts heat equalization technology, which will maintain a constant temperature of 57 degrees to avoid high temperature damage to the hair, and fill water