I don't know about Glasgow, but I got mine done at 13 (which is the minimum age) with my mum.
21
any age with a parent
yes you can, but it has to be your parent! proof of ID and all.
18 Years of age.
with parent permission yes
bfore your 18 with parent permission, after anytime bfore your 18 with parent permission, after anytime
any age as long as you parent gives you consent ....usually they sign something.
18 without parent permission. You can go with a parent at any age though.
To get pierced legally without parent consent you have to be 18 in the United States.
You need to be over 18 to get anything pierced by yourself. If not, you need a parent/guardian with you.
Most likely. . . At age 18.
It varies in countries and states.