Bristol, UK - A medical tattoo artist, who provides highly realistic inkings to mastectomy patients, said the online censorship of nipple tattoos is "wholly unfair and discriminatory."

"It really does upset me - there's a sense of injustice," Bristol-based tattooist Lauren Carter told the BBC in a recent interview.

"I'm annoyed and frustrated, not only for myself, but for the people who are looking for this sort of thing and can't find it. I don't know how else to reach people."

Carter focuses on medical tattoos, covering up scars and providing patients with dignity as well as the feeling that they've reclaimed their bodies.

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She wants to share this important work on social media, to put the word out there that these procedures are available, educate people about the process, and advertise her business.

The problem, however, is that many of her clients are women who've had a mastectomy – the removal of all or part of the breast, usually as a treatment for breast cancer. As a result, her posts often get flagged on social media as potential nudity.

"It's interesting how the photos I post of male nipples following my treatments do not get banned or reported as a sexual image," she told the BBC.

"For me, this work is about so much more than beauty. It is about helping people feel confident, comfortable, and like themselves again."

A spokesperson for Meta, which owns both Facebook and Instagram, clarified in a statement to the BBC that post-mastectomy scarring and areola tattoos are allowed on it platforms.

They admitted, however, that detections systems sometimes "make mistakes."

"We recognize the important role medical tattooists play in supporting breast cancer survivors, and we want this content on our platforms."