There is no such thing as the fastest way to grow hair, and the treatment of hair loss should be symptomatic based on the specific cause of the disease, hair loss may be caused by baldness, androgenetic alopecia. Hair loss can be caused by patchy baldness and androgenetic alopecia. It can be improved by general treatment, oral and topical medication. 1. Patchy baldness: Patchy baldness, also known as ghost shaving, is usually characterized by limited patchy hair loss. If necessary, topical application of Minoxidil and Hasinide solution can dilate local blood vessels, anti-inflammatory, and also accelerate hair regeneration. 2. Androgenetic alopecia: Heredity and androgen are the main causes of androgenetic alopecia. It is recommended to take Finasteride (for men) and Spironolactone (for women) orally and apply Minoxidil solution externally under doctor’s guidance, which can promote hair growth. Specifically need to go to the hospital, follow the doctor’s instructions for medication.