COSMETIC PROCEDURES used to be the preserve of middle-aged women and often involved surgery. Today they are increasingly sought by girls who want the photoshopped faces of their favourite social-media influencer, and by a growing number of men wishing for fewer wrinkles, fuller lips and sharper jawlines. Globally, more than 14m nonsurgical procedures were conducted in 2020, even amid the pandemic, up from fewer than 13m two years earlier….