how to setting IPL parameter
Dark hair by lower width
Light hair by higher width
Thickness hair by higher delay and lower energy
Thin hair by lower delay and higher energy
Dark skin by higher delay and lower energy
Light skin by lower delay and high energy.
IPL interface and parameter settings
Pulse width: the time which light works on the skin
Interval: the time which light doesn't work on the skin.
Energy: Total energy which light works on the skin
Pulse interval: The interval between the first light and second light
The number of pulses: it can decide the depth of the light which through the skin (for example, if the hair follicles in the deeper layers of the skin, then you can add the numbers properly )