Scar From A Lip Ring Is A Lip Ring Pierced From The Inside Of The Lip Or The Outside?

Is a lip ring pierced from the inside of the lip or the outside? - scar from a lip ring

I speak as a small tire at the end of my lips .. I just want to know .. because if you ever delete after you get pierced, I do not want a visible mark or scar. If it's a little inside ..