A summer trend called "sunburn tattoos" has many voicing their concern. If you look on Twitter and Instagram you can find the pictures everywhere. Someone basically creates a stencil and places it on their body with no sunscreen. After they burn they take it off revealing the stencil outline hence "sunburn tattoo"
"I think the thing people forget is your skin is the largest organ in your body" says Julie Emery who is a Nurse Practitioner with Fort Mill Family Practice according to WTSP.
Bottm line, this is dumb and you shouldn't do it.