Hi, why is Kuro Sumi liner just for learning how to tattoo? Why can’t it be used on leather? 28th February 20225th March 2022 Questions › Hi, why is Kuro Sumi liner just for learning how to tattoo? Why can’t it be used on leather? x Thanks For Submitting Your Message! Check back here to see your message once we've reviewed it. 0 Vote Up Vote Down Hi, why is Kuro Sumi liner just for learning how to tattoo? Why can’t it be used on leather? Submitted by: Żana3 years ago 1 Answers 0 Vote Up Vote Down Barber DTS answered 3 years ago Reading Time: < 1 minutesHi Żana, the Kuro Sumi Liner ink can be used on leather. It is a very popular ink. However, since the beginning of this year, this ink is no longer allowed to be used for tattooing on human skin in the EU. Was this helpful? Give it a share! Please login or Register to submit your answer Username or Email Address Password Remember Me