To provide an applicator unit with advantages such as being inexpensive, and adaptable for both of application products and application methods.

The applicator unit is constituted so that at least one applicator with at least one face at least partially compressible to constitute an application face of a product is included, the applicator defines at lest one housing part with an opening via at least one through hole, the housing part is fixedly placed on a product holder member constituted so as to house a product, e.g. a stick form product, and the product holder member is detachably attached to a position in a direction of the axis substantially fixed to the applicator.