Generally, it may be caused by genetic factors, endocrine disorders, bad lifestyle and so on. It can be removed by laser hair removal or hair removal cream. 1. Laser Hair Removal: It is a faster way of hair removal, mainly through the selective photothermal principle, the strong light on the local skin irradiation, can penetrate into the subcutaneous tissue, destroy the structure of the hair follicle, so as to achieve the effect of hair removal. It is safe and generally does not bring harm to the skin. The hair removal area may produce a slight burning sensation within a short period of time, try not to touch water and touch with hands. 2. Hair removal ointment: It is a simple way to remove hair, the chemical ingredients contained in it can temporarily destroy the structure of the hair follicle after applying on the skin, so that the hair will fall off, but the hair will grow back again with the passage of time. Most depilatory creams are irritating, so to avoid allergies, it is recommended to take a quiz on your elbow first and use it again without allergy symptoms. If women have dense beard growth, it is recommended to go to a professional hospital to clarify the cause of the problem and then under the guidance of the doctor for treatment.