Acne vulgaris is the same as the one adolscents get, right? How is the claim possibly true? Do they mean something other than what "non-Westerners" means liter

Acne vulgaris is the same as the one adolscents get, right? How is the claim possibly true? Do they mean something other than what "non-Westerners" means literally? It happens e.g. in the middle-east too and I don't imagine that's an exception. I thought it was a pretty common human phenomenon.