Moustaches can give men whole face a different look and appearance, or when they shave it off they look like a completely different person. A lot of important iconic male personalities throughout history had moustaches. Maybe it made them look more powerful or intelligent?
Without his moustache Albert Einstein would look so much younger, Super Mario would look like a random handyman and Hulk Hogan would probably look like white trash. The illustrations are a part of a tribute to the Singapore Prostate Cancer Research Fund. It encourages people to grow a mustache to show support, and of course donate some money.
If you are one of those who can’t grow a mustache, by that I mean that you are a woman you can always buy a mustache at their website, and there are plenty of style to choose from. The illustrations have the slogan “Mustaches Make a Difference”, and here you can see them all.