Regular recitation of the Panchmukhi Hanuman Kavach is believed to provide:

A horse face that signifies divine knowledge, wisdom, and spiritual liberation. Benefits of Chanting the Kavach

The form of Panchmukhi (five-faced) Hanuman emerged during the Ramayana war. When the demon Mahiravana (king of Patala) abducted Rama and Lakshmana, Hanuman discovered that the demon's life was protected by five lamps burning in five different directions. To kill him, all five lamps had to be extinguished simultaneously. Hanuman then assumed the —extinguishing the lamps at once to rescue the Lord. Significance of the Five Faces