A device (1) is provided for the application of phototherapy comprising at least one LED (2) suitable for emitting electromagnetic waves, first control means (3) of the device (1) suitable for activating the LED (2), second control means (4) of the device (1) allowing a user to adjust and activate the first control means (3), wherein the first control means (3) are suitable for activating the LED (2) with a switch-on frequency between 0.1Hz and 1kHz and with duty cycles below 2%.
