Tattoo Consent laws US: 18 without parents in most states. Exceptions for minors with guardian approval vary widely. Illegal underage tattooing risks fines/jail. Lopez Law Group handles negligence cases. 24/7 help, no win no fee. (956) 968-7800. https://fernandojlopez.com/how-old-do-you-have-to-be-to-get-a-tattoo/