It is possible to shave a girl’s lip hair, but it is not recommended to do it often. It is normal for girls to grow lip hair, and it is possible to shave it off for the sake of one’s own aesthetics. If a girl has excessive lip hair, it may be caused by too much androgen secreted by the adrenal cortex, or it may be caused by an imbalance between the body’s androgen and estrogen after taking drugs containing sex hormones. Lip hair will grow back quickly after shaving. But it is not recommended that girls often shave their lips, girls lip skin is delicate, if the operation is not properly sterilized, the scraper is easy to scrape the lip skin, resulting in infection. And often stimulate the hair follicles, may lead to lip hair become black and thick. Therefore, if the lip hair is too much, it is recommended to go to the hospital, improve the relevant examination, under the guidance of professional doctors to clarify the cause of the disease, symptomatic treatment.