It was taken last week for an article in the Sunday Times about business online networking. Thanks for the compliment

yes it is to do with the oil in the skin...usually when you are young, there is an excess and because many youngsters continually put their hands to their faces and squeeze it is a never ending problem. Washing hands often with anti biotic soap or gel may help, also cleaning the finger nails...those gardens for microbes! many people clean the face and forget the fingers!