The normal cycle of hair goes through a phase of growth and rest. Each individual hair survives for an average of three and a half years. The growth phase of hair generally lasts two to three years, during which time it grows about half an inch a month. This growing phase is called anagen. This is followed by a resting phase called telogen, which lasts for about three to four months. Usually in its fourth year the hair falls out and is replaced within 6 months by a new one.
You might be wondering why there are so many men walking around with significant hair loss, especially considering there are a number of remedies out there that can slow down or stop male pattern baldness completely. The biggest reason is a lack of education about which hair loss treatments actually work. There’s a lot of misinformation out there regarding hair loss remedies, and most of it’s from armchair experts who boldly claim that their all-natural, homeopathic methods are guaranteed to promote hair growth and stop baldness (spoiler alert: they don’t).
However, researchers are still working to determine the best dose needed, whether the results are lasting, and whether they can develop a topical form of the drug, Day said. She added that patients should be aware that Tofacitinib has side effects. It's already associated with an increased risk of serious infections, as well as stomach and intestinal tears, according to Pfizer, the manufacturer.