Treating androgenetic alopecia: a review of medical treatments. Alopecia american skin association. Another treatment available for androgenetic alopecia is platelet-rich plasma, which uses growth factors to promote hair growth. check out how you can save with the latest deals on health and well. Research nester released a report titled "alopecia treatment market: global demand analysis & opportunity outlook. There are three types of alpha reductase receptor isoenzymes, and type i and type ii are significant in the treatment of aga. type i is located in the skin, including the sebaceous glands and hair follicles, and type ii is located in the inner root sheath of hair follicles in the scalp, face, chest, genitals, and prostate gland. tiga the hair-growth cycle is also affected in aga. hair in the telogen, or dormant, phase is more predominant than hair in the anagen, or growth, stage. this leads to a decrease in hair on certain areas of the head. in addition, some of the h...