Thinning hair on the forehead of a 35-year-old woman is mostly caused by seborrheic alopecia, endocrine disorders or damage to hair follicles, which can be regulated by the following methods, such as medication, surgical treatment and physical therapy. 1. Seborrheic alopecia: most of them are related to heredity and androgens. These patients can choose medication, such as anti-androgen drug finasteride, topical minoxidil application and other medications, which can promote the growth of hairs after using medication. 2. Endocrine disorders: long-term late night, nutritional imbalance can lead to forehead hair thinning, need to improve living habits, balanced diet. If the effect of medication is not obvious and the hair loss is serious, it can be improved by hair transplantation and other surgical methods. 3. Hair follicle damage: most of the folliculitis and hair follicle damage caused by infection, you can choose physical therapy methods, such as the use of laser caps and other methods of conditioning, to promote the growth of hair, improve the symptoms of hair thinning. Forehead hair thinning will affect the aesthetic appearance of women, resulting in patients with nervousness and anxiety, and even have a low self-esteem, it is recommended to develop good habits, usually pay attention to the hair washing and care, and actively cooperate with a professional doctor for treatment to improve the symptoms of hair loss.