Neonatal hair at birth is in the growth phase, but within the first few days of life converts to resting stage before shedding. Consequently, there is normally significant hair shedding during the first 3 to 4 months of life. In some cases, the new hair balances the shedding hair and the process is almost undetectable. The hair loss may be more on the back of the head because of friction and pressure from sleeping on the back.
In an otherwise healthy newborn, the hair loss self-resolves by 6 to 12 months of age. No treatment is necessary. The parents should be reassured that neonatal hair loss is a normal physiological process and that the hair will grow back by 6 to 12 months of age without treatment.