Supplemental vitamins to treat less hair and there is no scientific basis, the amount of hair is usually related to genetic factors, androgenetic alopecia, malnutrition, etc., and can not be improved by supplemental vitamins. The specific need to go to the regular hospital, clear reasons, and then targeted treatment. 1. Hereditary factors: there is no particularly effective treatment for hair loss caused by genetic factors; 2. Androgenetic alopecia: if it is androgenetic alopecia, you can follow the doctor’s instructions to use finasteride treatment, women can use spironolactone treatment, if the condition is serious, the hair follicles have been damaged, you can consider doing hair transplantation; 3. Malnutrition: If the body is malnourished resulting in less hair, you need to pay attention to supplemental nutrition, usually pay attention to the scientific and rational diet, do not pick food, but also to ensure that you get enough sleep, do not stay up all night. In addition, there are endocrine factors, scalp skin infections, injurious diseases, as well as autoimmune factors and medication factors may also lead to less hair, specific recommendations actively to the relevant departments of professional hospitals, clear causes of hair loss, and then targeted treatment under the guidance of the doctor.