Sunnah: (in case exceeding one fist) Taking off some hair off the right and left sides of the beard so that it looks pleasing to the eyes. The beard should not be less than a fist from the bottom of the chin. Shaving the beard or cutting it is not permissible. [Khasail-e-Nabauwa]
The moustache should be trimmed fully (Tirmizi)
Remaining within the permissible limits the hair of the head and beard should be arranged and greased. [Muatta Imam Malik]
Either one should retain hair on the whole of his head or should get it shaved completely. Keeping hair on a part is undesirable. One should grow bobbed hair on the head as laid down in the tradition. [Mishkat]
The hair inside the nostrils, under the armpit and below the belt should be removed. [Bukhari, Muslim]
Note: It is a sin if forty days elapse and such hairs are not removed. It is permissible to dye the beard with henna or leave it grey. The women should dye their nails with henna. [Abu Daud]
Note: These days nail polish is very much in use, this should be removed before wudhu and ghusl or these will not be in order.