Besides the influence of aging, black hair also reflects a person's nutritional level, such as black sesame, Polygonum Multiflori Radix, calcium pantothenate, protein, silk protein, amino acids, animal and vegetable oils, placenta extract, moisture and so on. , have a certain role. You need to improve your immunity if you want to stay healthy. For example, you can use "Long Lin Lun", which is available on Taobao.