Brazilian butt lifts are being performed in living rooms, Airbnbs and hotel rooms across the UK by unqualified practitioners, MPs have been told.
Complications from these cosmetic procedures have become a "significant burden" on the NHS, a parliamentary committee heard.
As a result, top health chiefs have warned there is a "crisis waiting to happen" due to regulatory gaps in the cosmetic surgery industry.
Director of campaign body Save Face Ashton Collins, who is a register of accredited practitioners, told the Women and Equalities Committee that she called for the implementation of "Alice's Law".
One practitioner warned that victims' complaints were 'not being taken seriously enough by regulators'
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Named after a young mother who died following a BBL procedure, the policy would ensure that Brazilian butt lifts are only performed by qualified surgeons.
The committee also heard from Sasha Dean, who gave tearful testimony about nearly dying after a BBL procedure. She described being admitted to intensive care with sepsis and spending five weeks in hospital.
"The impact is profound," she told MPs, explaining how she was "lulled into a sense of security" and "misinformed" about the procedure.
"These are being carried out by anybody, they don't need any qualifications," she said, adding that such procedures are performed by people with unlicensed products from China and Korea.
The product is then "decanted from huge vats into individual syringes" and then injected into people's breasts and buttocks, Dean explained.
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She added that when complications arise, practitioners often misdiagnose problems, telling patients "there's nothing to worry about".
Consultant plastic surgeon at the Royal College of Surgeons of England Professor Vivien Lees told MPs that current regulations are "insufficient", issuing a stark warning that the global cosmetic surgery market is expected to triple within a decade.
"We're going to see a lot more problems in terms of absolute numbers. We need to set up a structure that will adequately support legitimate work," Prof Lees said.
"I've seen things like a young woman with infected filler injection in the lips having to have chunks of her lip cut out," she added.
Top health chiefs have warned there is a 'crisis waiting to happen' due to regulatory gaps in the cosmetic surgery industry
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She also mentioned "infected buttock implants coming out, abscesses, bleeding problems in the middle of the night" from clinics unable to treat their own complications.
Despite the complications, the RCN annual meeting heard that surgical tourism is "likely to grow".
NHS England's national medical director Professor Sir Stephen Powis urged caution when considering procedures abroad or privately. He said: "I would urge people looking to have surgical treatments abroad or privately to carefully consider not only the safety standards of the clinic, but the aftercare provided, as these procedures can go wrong even if the right standards are in place.
"The NHS is far too often left to provide support for issues with surgical and cosmetic procedures carried out abroad. This puts unplanned pressure on teams who are working hard to deliver essential care for patients within the NHS."
