As of 2021, there is no cure for sensorineural hearing loss.

Can deafness cured?

Once the hair cells in the inner ear have been damaged or destroyed, they can't be repaired, and you'll lose your ability to hear certain sounds. This hearing loss is permanent. There is currently no cure for sensorineural hearing loss, and the best treatment option is to improve your hearing by wearing hearing aids.

Is being deaf permanent?

Sensorineural hearing loss or deafness tends to be permanent because it involves damage to nerves or to the inner ear. The only method of treatment is a hearing aid worn in the ear, a device that amplifies the volume of sound electronically.