Firstly: Trimming the Moustache
1. The ruling of trimming the moustache
It is a sunnah to trim the moustache, and this is by agreement of the four schools of jurisprudence.
2. How to trim the moustache
The Muslim is given the choice  This ruling also applies to the extremities of the moustache, referred to as handlebars. A verdict from the Permanent Committee headed by Ibn Baz states: “It is not permissible to leave the extremities of the moustache, rather all of it should be trimmed or shortened following the sunnah.” Verdicts of the Permanent Committee – The First Collection (131/5). between trimming only the tip ends of the moustache  This is by cutting the hair which falls onto the upper lip until its top edge is visible. This is the position of the majority: Hanafis, Malikis, and Shafi`is. and shortening it all.  Haff refers to exaggerated shortening. This is the position of the Hanbalis  Haff is preferred for them. , the choice of al-Tabari, and the verdict of the Permanent Committee.
Secondly: Lengthening the Beard
It is an obligation to lengthen the beard, and haram to shave it.  The beard will be thoroughly discussed in the section of clothing and adornment.