Leviticus 19:28: "Do not cut your bodies for the dead or put tattoo marks on yourselves. I am the Lord." Or "Ye shall not make any cuttings in your flesh for the dead, nor print any marks upon you: I am the Lord."
https://www.lds.org/scriptures/ot/lev/19.28?lang=eng
Also: 1 Corinthians 6:19-20 [New International Version (NIV)] 19 Do you not know that your bodies are temples of the Holy Spirit, who is in you, whom you have received from God? You are not your own; 20 you were bought at a price. Therefore honor God with your bodies.
Hope that helps.