Well the best way to find out is to call you local body piercing studios, they will best be able to tell you what the age requirement is for your area.
18 :/
18
18. You cannot get anything pierced by a tattooist without parental supervision if you are under 18
To have your lip pierced in Louisiana, you have to be 18 years of age or older. Some places will do it at 16 if you have a parent or legal guardian present.
16 or 18 give or take
You have to be 18 by yourself and 16 with your parents.
18 without parental permission
With parental consent; 15. Without; 18.
Usually 18, but it depends on where you get it pierced, i.e. what state, business location, as there may be different legislation or corporate policies that dictate when a person can pierce their lip(s).
18, when you become a legal adult.
On your lip...
He was 13 when he got his lip pierced =]