Max Murison, a consultant plastic surgeon in South Wales, said that "we see people on a regular basis, probably monthly, where something terrible has gone wrong", as treatment has been done incorrectly, they have gone to someone not adequately trained, or tried to administer a product themselves.
He told our Correspondent Carl Edwards "these things can cause a lot of long-term harm, and we really need to protect the public."
More top news
A Royal Navy ship has docked in Cardiff for a four-day visit.
Another bright start for some today, although cloud will build through the morning.
A scientist from Carmarthen has won the world's top prize for animal conservation for his work in saving nine species from extinction.