Drug types: external use and over-the-counter drugs. Indications: Sparse, male alopecia, alopecia areata. Usage: use 2% minoxidil for women and 5% minoxidil for men twice a day, each time 1ml.

Pharmacological action: it can stimulate the differentiation and proliferation of hair follicle epithelial cells, prolong the hair growth period and dilate blood vessels. Its advantages are small side effects, common use for men and women, obvious effect and simple use, and it can be called the best drug for treating alopecia at present. Second, finasteride

Drug types: oral and prescription drugs. Indications: male male alopecia. Usage: once a day, each time 1mg (one tablet). Pharmacological action: the drug is 5? -Reductase inhibitors can inhibit the scalp hair follicle from becoming smaller, reverse the process of hair loss, and then achieve the effect of hair growth. As early as 1992, FDA approved 1mg finasteride for the treatment of male alopecia in men over 18 years old, which is one of the reliable drugs for the treatment of male alopecia. 3. Spironolactone (Spironolactone)

Drug type: oral or external use, prescription drug. Indications: female male alopecia. Usage: spironolactone tablets can be taken orally, and spironolactone emulsion can be used externally. Pharmacological action: It can play an anti-androgen role by competing with androgen receptor, because it can obviously cause male breast swelling and sexual dysfunction, so it is not suitable for male androgyny patients. 4. Diphenylpropene (DPCP)

Drug types: external use, prescription drugs. Indications: alopecia areata. Usage: smear. Pharmacological effect: It can achieve the effect of hair growth by locally antagonizing T cell immune response. It is one of the best drugs for alopecia areata at present. When using, it should be noted that the concentration of 2% is applied to a small area (the size of a dollar coin) in the first week, the lowest concentration is used in the second week, and then the concentration is increased week by week until contact dermatitis with tolerable humidity is caused, and then this concentration is maintained. Because the medication method is slightly complicated, it must be used according to the doctor's advice. Warm reminder, dear friends, the drug treatment of hair loss must be carried out reasonably on the doctor's advice, otherwise it may cause inevitable harm!