Patent ID: 7571731

Claim:
A hair brush for preventing hair loss, decreasing number of hair-loss from over 100 each per day to less than 20 each by combing 10 cm 2 area of human scalp one minute a day for 30 days, is comprised of: a main body that is made of ABS (acrylonitrile-butadiene-styrene) polymer, and a bristle body that has magnetic field strength of 5 Gauss and anion emitting concentration of 400 each/cm 3 is comprised of a mixture of 75 wt % of polyurethane, 22.5 wt % of iron oxide, 0.25 wt % of silver, 0.5 wt % of magnetite, 0.25 wt % of natural ore from Japan, 0.25 wt % of clay, 0.625 wt % of tourmaline, 0.125 wt % of titanium, 0.375 wt % of amorphous silica, 0.125 wt % of feldspar and is extruded at a temperature of 210° C. followed by molding and magnetizing, and a spike body that has magnetic field strength of 5 Gauss and anion emitting concentration of 400 each/cm 3 is comprised of a mixture of 75 wt % of polyurethane, 22.5 wt % of iron oxide, 0.25 wt % of silver, 0.5 wt % of magnetite, 0.25 wt % of natural ore from Japan, 0.25 wt % of clay, 0.625 wt % of tourmaline, 0.125 wt % of titanium, 0.375 wt % of amorphous silica, 0.125 wt % of feldspar and is extruded at a temperature of 210° C. followed by molding and magnetizing.