Heard's testimony alleging violence by Johnny Depp has been scrutinized on social media, with a Twitter thread claiming bruises were caused by Botox or filler injections amassing more than 1600 likes.
"There was a stage where I might have gone a bit too far," he told The Sun.
The contest held during the King Abdulaziz Camel Festival in Saudi Arabia had its biggest crackdown in its more than 20-year history.
Botox is one of the most popular treatments, with the American Society for Aesthetic Plastic Surgery reporting 1,712,994 procedures took place in 2019.
Online creator Kim Pratt often shares her experiences completing extreme at-home beauty treatments that are normally performed by medical professionals.
More than 17.7 million cosmetic procedures were performed in 2018, up by almost a quarter of a million in the previous year.
One suspect received Botox in his forehead and the other had lip-fillers, medical officials said.
Over 1.5 million Botox injections were carried out in the U.S. last year.
The camels' owners have almost certainly got the hump now—after missing out on the $57 million prize at the contest in Saudi Arabia.
A panel of neurologists updated guidelines for physicians using Botox and similar neurotoxins for a range of neurological conditions and injuries.
The deal would create the world's largest drugmaker.