PROBLEM TO BE SOLVED: To provide a hair growing device imparting no load on a user and enabling the long-term continuation of scalp care.SOLUTION: The hair growing device is equipped with a head holding part 10 for holding the head, the built-in light source unit 20 provided in the head holding part 10 and emitting light for accelerating the growth of hair and an external light source unit 30a provided separate from the head holding part 10 to emit light for accelerating the growth of hair, and the built-in light source unit 20 and the external light source unit 30a are cooperated to irradiate the head of a user whose head is placed on the head holding part 10 with light.COPYRIGHT: (C)2012,JPO&INPIT【課題】使用者の負担がなく、長期的に頭皮ケアの継続が可能な育毛装置を提供する。【解決手段】頭部を保持する頭部保持部10と、頭部保持部10内に設けられ、毛髪の成長を促進させる光を照射する内蔵光源ユニット20と、頭部保持部10と別離して設けられ、毛髪の成長を促進させる光を照射する外部光源ユニット30aとを備え、内蔵光源ユニット20及び外部光源ユニット30aが連動して頭部保持部10に頭部を載せた使用者の頭部に光照射を行う。【選択図】図1