A fluid dispenser including a fluid reservoir and a body receiving a dispenser member that is connected to the reservoir and an actuator member for actuating the dispenser member; a dispenser and diffuser head forming a fluid dispenser orifice and an application wall for applying the fluid coming from the dispenser orifice onto the skin; a module having a source of radiation emitting monochromatic light of 400 nm to 700 nm and having anti-inflammatory action and/or a stimulating action for stimulating skin-regeneration metabolisms. The dispenser and diffuser head include a source housing and the body includes a module housing communicating with the source housing so that the source of radiation extends in the source housing of the head.