Women stop Jacob Jiang, a fashion-design student, on the streets of London all the time. Not to inquire about his Rick Owens jeans, but about his scent—Do Son, by Diptyque—which they want for ...

Jacob, who has 143,000 subscribers on YouTube, had posted a 13-minute video titled “I Crashed My Airplane” in December 2021, which amassed 2.9 million views before it was made private.