Ruling 2271
The growth of thick hair on the face and above the lips are signs of bulūgh. However, the growth of hair on the chest and under the armpits, and the deepening of a boy’s voice and suchlike, are not signs of bulūgh.
Those Prohibited from having Disposal over their Property: Hair Growth as a Sign of Bulugh
Practical Laws of Islam as per the teachings of Ayatullah Sistani
