t was on a family holiday that Kali Kushner discovered, abruptly, just how others viewed her skin. “At the end of the day I washed off my makeup,” she recalls. “My nephew said: ‘Why is your face so dirty?’ It took me a minute to realise he saw my foundation as a ‘clean face’ and acne as dirt.” Soon after, Kushner, 23, from Cincinnati, Ohio, began documenting her struggle with acne on the Instagram account @myfacestory – her experience with the drug Accutane, dermarolling, makeup, scarring, hyperpigmentation, alongside all the ways people have responded to her acne, from her husband,...