Formula I: embedded image (wherein one of R1 and R3 represents a hydrogen atom or a hydroxyl group, and the other is represented by Formula IV: embedded image (R4b represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms) , N represents an integer of 1 to 5), R2 represents a hydrogen atom or an oxygen atom, R4a is the same as R4b, and embedded image represents a double bond or a single bond. And m represents an integer of 1 to 4), and a hair growth and / or hair growth composition comprising the compound represented by the formula.次式Ｉ：【化１】（式中、Ｒ１及びＲ３の一方は水素原子又は水酸基を表し、他方は次式ＩＶ：【化５３】（Ｒ４ｂは水素原子又は炭素数１～６のアルキル基を表し、ｎは１～５の整数を表す。）で示される基を表し、Ｒ２は水素原子又は酸素原子を表し、Ｒ４ａはＲ４ｂと同様であり、【化５４】は二重結合又は単結合を表し、ｍは１～４の整数を表す。）で示される化合物を含む、発毛及び／又は育毛用組成物。
