GURBANI ON HOW GOD'S DIVYA SWAROOP LOOKS WITH KESH/ LONG UNCUT HAIRS --> BY GURU SAHIB / BHAGATS WHO EXPERIENCED GODS DARSHAN WHEN HE CHOOSES TO APPEAR IN A FORM

Kesh: Sri Guru Gobind Singh Ji said Uncut Hair is a symbol of acceptance of your form as God intended it to be.

Hair is a gift from God, not a burden. Sri Guru Gobind Singh, in his infinite wisdom, commanded us to respect it and to refrain from tampering with it. If we have faith in our Guru who was in communion with God, how can we do anything but follow his advice?

There are various Shabads in the Sri Guru Granth Sahib where in Guru Sahibs / Bhagat's give words to their experience.  When paarbrahm parmeshwar chooses to appear to them in a form. Shabads clearly explain the concept of Guru Sahib / Prophets keeping of un cut hair.

God is KesvaGod is referred to as "Kesva" ( ਕੇਸਵ ) - "having long hair"

1. In this Shabad, God is referred to as having hair which is "Wondrous and Beautiful":Nirhārī *kėsav* nirvairā.
He does not need to eat; His Hair is Wondrous and Beautiful; He is free of hate. (SGGS p98)⁠

2. In this Shabad, God is referred to as "the beautifully-haired Lord":Sagal paḏārath asat siḏẖ nām mahā ras māhi. Suparsan bẖa­ė *kėsvā* sė jan har guṇ gāhi.(4)
All wealth, and the eight miraculous spiritual powers are in the supremely sublime essence of the Naam, the Name of the Lord.

Those humble beings, with whom the beautifully-haired Lord is thoroughly pleased, sing the Glorious Praises of the Lord.(4) (SGGS p203)⁠

3. In this Shabad, God is referred to as having "long hair"

Ŧėrė bankė lo­iṇ ḏanṯ rīsālā. Sohṇė nak jin *lammṛė vālā.*Your eyes are so beautiful, and Your teeth are delightful.
Your nose is so graceful, and Your hair is so long.(SGGS p567)⁠