balden

verb2

1. •
   To make bald

   • Now Champou's partner was the Court barber, and by the use of a peculiar hair oil which the two of them had concocted, they soon managed to balden the pates of all the male aristocracy of the place. — 1885
2. •
   To become bald

   • At 65 years old, the top of his head had baldened, but gray patches surrounded his ears. — 2010