According to Dr Karan Rajan, who regularly shares his professional knowledge on TikTok and in his book, that’s because the injury can become what’s known as a “traumatic tattoo.” ...

And so that whole traumatic experience is now something that I can look at my own body and see beauty. And so an appointment was made, and I went to San Francisco and I received my first tattoo.

Decorative and traumatic tattoos represent foreign-body implantation into various depths of the dermis. Many methods of removal have been attempted with varying rates of success. Surgical excision ...