"become bald" - Translation from English to Arabic

And you need to stroke my hair until I become bald.
و عليك أن تمشط شعري حتى أصبح صلعاء.

You've become bald.
لقد أَصْبَحتَي صلعَاء

I'm going to become bald.
سأصبح صلعاء.