Abstract: The present invention relates to a mascara brush for applying a mascara liquid to eyelashes and a manufacturing method thereof, including a first step to fix to a core member many first brush bristles and many second brush bristles having softening point temperatures lower than those of the first brush bristles in a state where the first brush bristles and the second brush bristles are mixed with each other and extend radially, where while bending at least a partial area in a direction encircling the core member of the first brush bristles and the second brush bristles at intermediate positions in extending from the core member, subjecting the first brush bristles and the second brush bristles to an atmosphere of a temperature lower than the softening point temperatures of the first brush bristles and higher than the softening point temperatures of the second brush bristles.

Abstract: The present invention relates to a mascara brush for applying a mascara liquid to eyelashes and a manufacturing method thereof, including a first step to fix to a core member many first brush bristles and many second brush bristles having softening point temperatures lower than those of the first brush bristles in a state where the first brush bristles and the second brush bristles are mixed with each other and extend radially, where while bending at least a partial area in a direction encircling the core member of the first brush bristles and the second brush bristles at intermediate positions in extending from the core member, subjecting the first brush bristles and the second brush bristles to an atmosphere of a temperature lower than the softening point temperatures of the first brush bristles and higher than the softening point temperatures of the second brush bristles.