The topical application concentrates active compound at follicle sites while injections support overall regenerative processes
It means you will have to take this injection around 2 times per week to keep its levels stable in your blood
Biochimica et Biophysica Acta, 1830 , 31433153
It is characterized by symptoms such as tingling (paraesthesia), numbness, pain, temperature sensitivity, and muscle weakness in the hands and feet and can spread throughout the body
10.1038/sj.gt.3301498 Gene Ther
Medication overuse headache can become a chronic, self-perpetuating condition called "chronic daily headache", in which patients experience daily headaches caused by medication overuse, but continue to use medication to relive the headaches