It is an outward expression of religious faith.
Sikhs don't shave or cut their hair because they believe that it was meant to be their as God gave it to us. If God wanted us to have it a certain way, he would have made our hair like that in the first place.
Unfortunately no, Sikhs cannot cut their hair because sikhs is a religion type of thing that a person believe in growing out their hair and not cutting it.
to cut hair with a razor ... shave
no
As long as having a hair cut does not cause unnecessary stress to the Dog, then there is no reason why you couldn't give her a shave.
shave
No. It is encouraged to shave your underarms.
Because if they cut it it is a sin
You can shave, have laser hair removal, or simply cut it.
learn how to cut and shave hair.
Yes, in Sikhism it is a requirement to keep hair because Sikhs believe that hair is a gift from God and do not want to cut it off because it is a gift.
Sikhs don't cut their hair, because Sikhism assumes that whatever God has provided to a human is required and it should be saved, protected and respected. Same is the hair. Sikhs believes in "Sabat Soorat" : Means be in the same way God has created and keep everything gifted by GOD.