Light Therapy Experience??

Hi everyone! I was diagnosed with lichen planus after about 3 months of flaring, and have been on medications to try to stop the flares. So far it’s put most of my flares into recovering but my dermatologist wants to talk more about doing light therapy for it at my next follow up, has anyone done light therapy? Did it help with not only the itching but the discoloration???

Would love to hear anyone’s experiences with it:)