uvb ultraviolet light can treat the skin, the correct use of the skin can destroy some of the bacteria in the affected area, but also to promote the skin's metabolism, so that there are problems with the skin as soon as possible to heal. But with uvb ultraviolet light irradiation of the skin, then, must be moderate irradiation, so that there is no problem.
To be clear, if long-term or excessive irradiation, the harmful effects of uvb phototherapy is this:
1, may be bad for the eyes, will cause the eyes to have conjunctivitis, keratitis, and long time stimulation, it will also lead to the eyes to have redness, swelling, pain, and the problem of watery eyes, and serious will lead to vision loss, glaucoma, cataracts and so on.
2, may also have damage to the skin, for example, will lead to skin darkening, but also lead to skin flaking, redness, swelling, rashes and so on.
Overall, if women want to use uvb phototherapy to improve skin problems, they must use it under the guidance of a professional doctor.