I brought the device "yonker uvb-narrowband-lamp-311nm-phototherapy" on (b)(6), and found it has no instruction on how to use it.Then i used it for 3 minutes on my arm and my arm got burned.I checked the device and it was made-in-(b)(4) and i can't find any information on the fda website.I suspect it is a non-fda approved product that can cause serious burn to the body.Frequency: twice a day.How was it taken or used: topical.Date the person stopped taking or using the product: (b)(6) 2017.Did the problem stop after the product reduced the dose or stopped taking or using the product: yes.Did the product return if the person started taking or using the product again: yes.Why was the person using the product: i have vitiligo on my left arm.
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