Assembly including: a pulsed light therapy machine (1) including a handset (4) including a flash lamp and a first absorbent filter (12) for filtering the light emitted by the flash lamp before it exits the handset； and a pair of glasses or a mask for protecting the operator, including a second absorbent filter for filtering incident light, the assembly being characterized in that the overall transmission of visible and infrared light through the first and second filters is sufficiently low in the emission range of the HS that the operator is not discomforted visually by the emission nor harmed by the infrared light.
