A reusable pump dispenser may simultaneously dispense and cool a product to a user. The product may be dispensed or dosed in predetermined and/or amounts desired by a user. The product may be cooled from an ambient temperature to a product application temperature. A cooling circuit subassembly may control the temperature, viscosity, and additional properties of the product, thereby providing a maximum benefit of the product when applied to the user. The reusable pump dispenser may eliminate microbes from the product and may provide a physical structure that may be held in a user's hand. The reusable pump dispenser may provide a reusable housing that may be easily replaced, refilled, and reused.