Hair dryer (1) as a hair care device includes heat application unit (30) that applies heat to hair of a user, component generation unit (40) that generates a component that acts on the hair, and controller (80) that controls operations of heat application unit (30) and component generation unit (40). Component generation unit (40) is at least one of an ion generation unit that generates ions, an acidic component generation unit that generates an acidic component, and a charged fine particle water generation unit that generates charged fine particle water. Controller (80) controls a component amount of the component generated by component generation unit (40) based on hair characteristics of the user.