The New Zealand Society of Cosmetic Medicine President Dr. Hans Raetz says there is concern amongst his peers about the safety of practicing from client's homes.
In a statement, Dr. Raetz says he worries about allergic reactions to the drugs used, despite it being incredibly rare.
But Mr Lawson is not aware of one record of allergic reaction to botox and has all the highest level qualifications of life support that a nurse can carry.
He says men are now getting involved too.
"There's quite a big demand for bro-box at the minute. I think New Zealand has a different mentality to it, because I think the demand for the mobile clinic came because, unlike Europe and America, kiwi's tend to be a little shy."
Mr Lawson says what sets his business apart is he never tries to upsell or persuade people that they need more treatment.
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