´It was narrated from Ibn 'Umar that:` The Prophet [SAW] forbade Al-Qaza' (shaving part of the head and leaving part).
Related hadith on this topic
Explanation & Benefits
Hafiz Muhammad Ameen
English translation:
By "qaza‘" is meant that some hair is shaved while some is left. (For details, see hadith: 5051)
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 5230
Shaykh Umar Farooq Saeedi
Benefits and Issues:
There is no harm in shaving the hair of children, and similarly, it is also permissible for men.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 4192