Pubic hair that grows slowly after shaving can lead to itchy vulva. Itchy pubic hair is mainly caused by the stimulation of hair follicles during the growth of pubic hair after shaving. When the pubic hair grows to a certain length, it will be relieved naturally, which is a normal physiological situation and does not require special treatment. If the pathogen infection caused by folliculitis or vulvovaginitis, may also cause vulvar itch, usually manifested as red follicular tissue, vulvar redness, swelling, burning, pain, increase in vaginal discharge and odor, etc., you need to go to the hospital for a leukorrhea test for different causes to be treated accordingly, and prohibit scratching the affected area. Pubic hair grows back slowly after shaving. If the symptoms of itchy vulva persist and cannot be relieved, it is recommended to go to the hospital for treatment.