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."
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Former Cardiff Blues captain Andries Pretorius has been forced to retire from the sport after being diagnosed with a muscle disorder.
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Care workers in the Rhondda who were made redundant say they could lose their homes as redundancy money has still not been paid.