PROBLEM TO BE SOLVED: To provide a method for evaluating or selecting a hair growth control agent.SOLUTION: The method for evaluating or selecting the hair growth control agent includes: a step for administering a test substance to cells that can express DnaJC6 as a molecular chaperone belonging to the DNAJ/HSP40 family a step for measuring the expression of DnaJC6 in the cells and a step for evaluating a hair growth control effect of the test substance on the basis of the expression.