I went to block club meetings and church socials, beauty shops and barbershops.

Cancer Research UK is calling to ban under 18s using sunbeds, close salons that aren't supervised by trained staff and ensure information about the risks of using sunbeds is given to all customers.

"Our customers are mainly white-collar workers, entrepreneurs, people whose salaries are above average, " according to Ouyang Jiale, the young manager of a men's beauty salon in Beijing.