The demographics of teachers in the United States look similar to those of teachers elsewhere in the developed world. Across public and private institutions at all levels of education, 69.4 percent of teachers are women, compared with 65.1 percent across the O.E.C.D.
According to published reports, âplainâ PRP (without ECM) tends to improve hair caliber and hair growth for about four to six weeks, requiring multiple repeated treatments as often as every other month. When using ECMs like ACell or BioD, the effects of PRP have been reported to be stronger and last longer.
The cost of PRP treatment can be considerable, as more sessions may be needed to obtain the desired result. PRP is also being used in conjunction with some hair transplant procedures. At this time there is not yet clinical proof that it works, but the results are very promising.he cost of PRP treatment can be considerable, as more sessions may be needed to obtain the desired result. PRP is also being used in conjunction with some hair transplant procedures. At this time there is not yet clinical proof that it works, but the results are very promising.