Folliculitis cannot be treated with blue light for a week in a row. Folliculitis is an inflammatory reaction of the hair follicles, mainly manifested as red papules or dermatomes on the skin surface centered on the hair follicles, which may be accompanied by itching, pain and other symptoms. Blue light can kill Propionibacterium acnes, promote the repair of inflammation, the treatment of folliculitis has a better auxiliary effect, but the blue light can not be used continuously, there may be side effects, and even damage to the skin, so, folliculitis can not be a week in a row to take a photo of the blue light, it is recommended to irradiate twice a week can be. Folliculitis patients daily to wash their hands, the skin and infected areas can be washed with warm water and antibacterial soap, less use of oily skin care products, there is a risk of clogging the pores, and at the same time pay attention to do not squeeze, scratch or pick through the pimples or pustules, easy to secondary infections, so that the disease is further aggravated.