tattoo with human ashes
https://dominickskfa492.tumblr.com/post/186523192024/the-best-cremation-ashes-into-tattoo-ink-accounts
When a body is cremated, the residual bone matter won't be like dust but more like small pebbles or a sand-like substance. Bubblegum Ink use modern day machinery from the USA to decrease and replicate the particle