The possible causes of hair thinning and softening include androgenetic alopecia, resting hair loss, malnutrition, etc., which can be improved through medication and lifestyle modification. 1. Androgenetic alopecia: androgenetic alopecia is mainly manifested as the scalp follicle miniaturization and hair progressively less, which can lead to hair thinning and softening, hair thinning, baldness and other symptoms of the occurrence of such patients, such patients can be applied locally Minoxidil tincture to help hair growth, the serious cases also need to take finasteride, spironolactone and other medications to help treatment. 2. Resting hair loss: there are three phases of hair growth, regression and resting, lack of sleep, mental stress, frequent perming and dyeing and other adverse factors may lead to a certain percentage of hair growth to the resting phase of the transformation, causing hair thinning and softening, hair loss and other symptoms, such patients should pay attention to ensure that adequate sleep and a good state of mind, to reduce perming and dyeing, and strengthen the diet and nutrition, and so on. 3. Malnutrition: When patients have picky eating, partiality, etc., may lead to malnutrition and other situations, so that the hair follicles do not get enough nutrient supply, resulting in thinning and soft hair, yellow color and other symptoms, such patients should pay attention to strengthen the nutrition, you can take multivitamin tablets, vitamin B, cystine tablets and other medications to help regulate. It should be noted that the above treatment should be carried out under the guidance of a physician to avoid the occurrence of adverse reactions.