<;P>;PROBLEM TO BE SOLVED: To provide a hair growth promoter containing a culture extract of a microorganism belonging to the genus Bacillus and having hair growing activity. <;P>;SOLUTION: The hair growth promoter contains a culture extract of a microorganism belonging to the genus Bacillus as an active component. Particularly, the microorganism belonging to the genus Bacillus is a strain specified by the accession number FERM P-20835 or Bacillus subtilis IFO 13719. <;P>;COPYRIGHT: (C)2008,JPO&INPIT