Other than the potential physical adverse impact on developing tissues, there is the negative mental health impact it may have on the self image of children if they normalise & depend heavily on cosmetic procedures to improve their self esteem at such a young age.
Conversely, a recent data collection suggests 6 million adults feel lockdowns have aged them at least 5 years.
No matter the motivation behind the pursuit of..an improved aesthetic..safety & ethics must come first & foremost.