During a 90-minute operation an incision is made in the side of the head and the implant squeezed in between the skull and the scalp. The operation costs from £4,000 and is performed using a local anaesthetic.
Patients are usually released from hospital the next day, and the only sign they have had surgery is a small scar usually covered by their hair and a bulbous head that explodes at high altitudes.
The idea came to him when he was approached by a young woman who had always dreamed of becoming an air stewardess for some reason. She had been rejected for being half an inch too small.
The average implant is just over 1in (3cm) high and the maximum of 2in (5cm) requires two operations - the first to stretch the scalp he has already carried out the operation on 17 patients.
These boob heads have been happy with the results though many feel different than normal heads and don't look natural .
Clinical psychologist Javier Hernandez said: "People should think long and hard before having this surgery."
He said one man who had a long and painful leg-lengthening surgery to join the Army deserted after six months because he was unhappy.
Then again does that sound like the actions of a sane person having your legs repeatedly broken and stretched in order to join the army ?