HACI Blood Pressure Balancing Brush adds external electronic semi-conductor collateral channel to the internal channels, based on the semi-conductor phenomenon of body channel-coolateral.When brushing hair with it, through the sliver-plated teeth and semi-conductor transmission system, the channels and acupoints on the head are connected with the electrodes of the palmes and soles of one's hands and feet. Over ten acupoints such as Baihul, Sishencong and Yuzhen, on the head are connected with the acupoints of laogong on the hands and of Yongquan on the feet, thus forming an external cycling circuit, which can improve body's circulation status and regulate the balance of Yin and Yang. Collateral channels are the information network conveying body energy whith the electrons in the protein as its carrier, which can generate delacalizing movement. When the baody electrmagnetic energy is reduced the channel-collateral will be obsrtucted, Yin and Yang will lose their balance, and the brain functions will decrease. HACI Blood Pressure Balancing Brush can help dredge channels, regulate improve circulation, and offer a two-way regulation of blood pressure the balance of electrolyte.