Repeat: He explains to Yahoo that only injecting the hairline will not prevent sweat on other areas of the scalp, so the rest of one's hair will likely still frizz or fall limp from sweat after a workout.
He explains to Yahoo that only injecting the hairline will not prevent sweat on other areas of the scalp, so the rest of one's hair will likely still frizz or fall limp from sweat after a workout.